Home / 841,454.86-1,262,641.50-487,160.86

Finding the Fourth Proportional to 841,454.86, 1,262,641.50 and 487,160.86

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Solution

The fourth proportional to 841,454.86, 1,262,641.50 and 487,160.86 is: 731,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,454.86 : 1,262,641.50 = 487,160.86 : x
  2. Step 2: Convert to fraction form
    841,454.86/1,262,641.50 = 487,160.86/x
  3. Step 3: Cross multiply
    841,454.86x = 1,262,641.50 × 487,160.86
  4. Step 4: Simplify right side
    841,454.86x = 615,109,519,011.69
  5. Step 5: Solve for x
    x = 615,109,519,011.69/841,454.86
  6. Step 6: Final answer
    x = 731,007.15

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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.