Home / 712,387.59-1,068,614.19-396,606.66

Finding the Fourth Proportional to 712,387.59, 1,068,614.19 and 396,606.66

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Solution

The fourth proportional to 712,387.59, 1,068,614.19 and 396,606.66 is: 594,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,387.59 : 1,068,614.19 = 396,606.66 : x
  2. Step 2: Convert to fraction form
    712,387.59/1,068,614.19 = 396,606.66/x
  3. Step 3: Cross multiply
    712,387.59x = 1,068,614.19 × 396,606.66
  4. Step 4: Simplify right side
    712,387.59x = 423,819,504,724.51
  5. Step 5: Solve for x
    x = 423,819,504,724.51/712,387.59
  6. Step 6: Final answer
    x = 594,928.25

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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.