Home / 1,005,515.46-1,387,594.68-546,641.40

Finding the Fourth Proportional to 1,005,515.46, 1,387,594.68 and 546,641.40

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Solution

The fourth proportional to 1,005,515.46, 1,387,594.68 and 546,641.40 is: 754,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,515.46 : 1,387,594.68 = 546,641.40 : x
  2. Step 2: Convert to fraction form
    1,005,515.46/1,387,594.68 = 546,641.40/x
  3. Step 3: Cross multiply
    1,005,515.46x = 1,387,594.68 × 546,641.40
  4. Step 4: Simplify right side
    1,005,515.46x = 758,516,698,507.75
  5. Step 5: Solve for x
    x = 758,516,698,507.75/1,005,515.46
  6. Step 6: Final answer
    x = 754,356.08

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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.