Home / 922,983.28-1,273,780.86-515,164.68

Finding the Fourth Proportional to 922,983.28, 1,273,780.86 and 515,164.68

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Solution

The fourth proportional to 922,983.28, 1,273,780.86 and 515,164.68 is: 710,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,983.28 : 1,273,780.86 = 515,164.68 : x
  2. Step 2: Convert to fraction form
    922,983.28/1,273,780.86 = 515,164.68/x
  3. Step 3: Cross multiply
    922,983.28x = 1,273,780.86 × 515,164.68
  4. Step 4: Simplify right side
    922,983.28x = 656,206,909,132.03
  5. Step 5: Solve for x
    x = 656,206,909,132.03/922,983.28
  6. Step 6: Final answer
    x = 710,962.94

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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.