Home / 992,490.60-1,369,597.50-539,781.96

Finding the Fourth Proportional to 992,490.60, 1,369,597.50 and 539,781.96

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Solution

The fourth proportional to 992,490.60, 1,369,597.50 and 539,781.96 is: 744,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,490.60 : 1,369,597.50 = 539,781.96 : x
  2. Step 2: Convert to fraction form
    992,490.60/1,369,597.50 = 539,781.96/x
  3. Step 3: Cross multiply
    992,490.60x = 1,369,597.50 × 539,781.96
  4. Step 4: Simplify right side
    992,490.60x = 739,284,022,961.10
  5. Step 5: Solve for x
    x = 739,284,022,961.10/992,490.60
  6. Step 6: Final answer
    x = 744,877.61

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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.