Home / 992,379.96-1,369,471.50-539,661.24

Finding the Fourth Proportional to 992,379.96, 1,369,471.50 and 539,661.24

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Solution

The fourth proportional to 992,379.96, 1,369,471.50 and 539,661.24 is: 744,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,379.96 : 1,369,471.50 = 539,661.24 : x
  2. Step 2: Convert to fraction form
    992,379.96/1,369,471.50 = 539,661.24/x
  3. Step 3: Cross multiply
    992,379.96x = 1,369,471.50 × 539,661.24
  4. Step 4: Simplify right side
    992,379.96x = 739,050,687,834.66
  5. Step 5: Solve for x
    x = 739,050,687,834.66/992,379.96
  6. Step 6: Final answer
    x = 744,725.53

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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.