Home / 922,180.80-1,272,584.16-514,295.04

Finding the Fourth Proportional to 922,180.80, 1,272,584.16 and 514,295.04

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Solution

The fourth proportional to 922,180.80, 1,272,584.16 and 514,295.04 is: 709,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,180.80 : 1,272,584.16 = 514,295.04 : x
  2. Step 2: Convert to fraction form
    922,180.80/1,272,584.16 = 514,295.04/x
  3. Step 3: Cross multiply
    922,180.80x = 1,272,584.16 × 514,295.04
  4. Step 4: Simplify right side
    922,180.80x = 654,483,721,470.57
  5. Step 5: Solve for x
    x = 654,483,721,470.57/922,180.80
  6. Step 6: Final answer
    x = 709,713.02

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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.