Home / 992,000.61-1,368,954.42-539,291.61

Finding the Fourth Proportional to 992,000.61, 1,368,954.42 and 539,291.61

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Solution

The fourth proportional to 992,000.61, 1,368,954.42 and 539,291.61 is: 744,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,000.61 : 1,368,954.42 = 539,291.61 : x
  2. Step 2: Convert to fraction form
    992,000.61/1,368,954.42 = 539,291.61/x
  3. Step 3: Cross multiply
    992,000.61x = 1,368,954.42 × 539,291.61
  4. Step 4: Simplify right side
    992,000.61x = 738,265,633,178.42
  5. Step 5: Solve for x
    x = 738,265,633,178.42/992,000.61
  6. Step 6: Final answer
    x = 744,218.93

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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.