Home / 729,140.10-1,093,710.15-501,801.45

Finding the Fourth Proportional to 729,140.10, 1,093,710.15 and 501,801.45

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Solution

The fourth proportional to 729,140.10, 1,093,710.15 and 501,801.45 is: 752,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,140.10 : 1,093,710.15 = 501,801.45 : x
  2. Step 2: Convert to fraction form
    729,140.10/1,093,710.15 = 501,801.45/x
  3. Step 3: Cross multiply
    729,140.10x = 1,093,710.15 × 501,801.45
  4. Step 4: Simplify right side
    729,140.10x = 548,825,339,149.72
  5. Step 5: Solve for x
    x = 548,825,339,149.72/729,140.10
  6. Step 6: Final answer
    x = 752,702.18

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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.