Home / 726,643.86-1,002,200.49-472,077.06

Finding the Fourth Proportional to 726,643.86, 1,002,200.49 and 472,077.06

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Solution

The fourth proportional to 726,643.86, 1,002,200.49 and 472,077.06 is: 651,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,643.86 : 1,002,200.49 = 472,077.06 : x
  2. Step 2: Convert to fraction form
    726,643.86/1,002,200.49 = 472,077.06/x
  3. Step 3: Cross multiply
    726,643.86x = 1,002,200.49 × 472,077.06
  4. Step 4: Simplify right side
    726,643.86x = 473,115,860,849.76
  5. Step 5: Solve for x
    x = 473,115,860,849.76/726,643.86
  6. Step 6: Final answer
    x = 651,097.31

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Double scale
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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.