Home / 976,399.92-1,464,833.67-407,464.53

Finding the Fourth Proportional to 976,399.92, 1,464,833.67 and 407,464.53

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Solution

The fourth proportional to 976,399.92, 1,464,833.67 and 407,464.53 is: 611,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,399.92 : 1,464,833.67 = 407,464.53 : x
  2. Step 2: Convert to fraction form
    976,399.92/1,464,833.67 = 407,464.53/x
  3. Step 3: Cross multiply
    976,399.92x = 1,464,833.67 × 407,464.53
  4. Step 4: Simplify right side
    976,399.92x = 596,867,755,853.61
  5. Step 5: Solve for x
    x = 596,867,755,853.61/976,399.92
  6. Step 6: Final answer
    x = 611,294.35

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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.