Home / 1,069,374.51-1,604,061.77-359,402.55

Finding the Fourth Proportional to 1,069,374.51, 1,604,061.77 and 359,402.55

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Solution

The fourth proportional to 1,069,374.51, 1,604,061.77 and 359,402.55 is: 539,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,374.51 : 1,604,061.77 = 359,402.55 : x
  2. Step 2: Convert to fraction form
    1,069,374.51/1,604,061.77 = 359,402.55/x
  3. Step 3: Cross multiply
    1,069,374.51x = 1,604,061.77 × 359,402.55
  4. Step 4: Simplify right side
    1,069,374.51x = 576,503,888,698.50
  5. Step 5: Solve for x
    x = 576,503,888,698.50/1,069,374.51
  6. Step 6: Final answer
    x = 539,103.83

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Double scale
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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.