Home / 1,069,378.26-1,604,067.39-359,406.30

Finding the Fourth Proportional to 1,069,378.26, 1,604,067.39 and 359,406.30

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Solution

The fourth proportional to 1,069,378.26, 1,604,067.39 and 359,406.30 is: 539,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,378.26 : 1,604,067.39 = 359,406.30 : x
  2. Step 2: Convert to fraction form
    1,069,378.26/1,604,067.39 = 359,406.30/x
  3. Step 3: Cross multiply
    1,069,378.26x = 1,604,067.39 × 359,406.30
  4. Step 4: Simplify right side
    1,069,378.26x = 576,511,925,590.56
  5. Step 5: Solve for x
    x = 576,511,925,590.56/1,069,378.26
  6. Step 6: Final answer
    x = 539,109.45

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Half scale
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Double scale
Find fourth proportional to 1,069,379.26, 1,604,068.89 and 359,407.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.