Home / 775,338.38-1,069,810.17-452,986.19

Finding the Fourth Proportional to 775,338.38, 1,069,810.17 and 452,986.19

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Solution

The fourth proportional to 775,338.38, 1,069,810.17 and 452,986.19 is: 625,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,338.38 : 1,069,810.17 = 452,986.19 : x
  2. Step 2: Convert to fraction form
    775,338.38/1,069,810.17 = 452,986.19/x
  3. Step 3: Cross multiply
    775,338.38x = 1,069,810.17 × 452,986.19
  4. Step 4: Simplify right side
    775,338.38x = 484,609,230,666.62
  5. Step 5: Solve for x
    x = 484,609,230,666.62/775,338.38
  6. Step 6: Final answer
    x = 625,029.34

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Half scale
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Double scale
Find fourth proportional to 775,339.38, 1,069,811.54 and 452,987.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.