Home / 992,137.01-1,369,147.25-539,426.93

Finding the Fourth Proportional to 992,137.01, 1,369,147.25 and 539,426.93

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Solution

The fourth proportional to 992,137.01, 1,369,147.25 and 539,426.93 is: 744,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,137.01 : 1,369,147.25 = 539,426.93 : x
  2. Step 2: Convert to fraction form
    992,137.01/1,369,147.25 = 539,426.93/x
  3. Step 3: Cross multiply
    992,137.01x = 1,369,147.25 × 539,426.93
  4. Step 4: Simplify right side
    992,137.01x = 738,554,892,288.27
  5. Step 5: Solve for x
    x = 738,554,892,288.27/992,137.01
  6. Step 6: Final answer
    x = 744,408.17

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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.