Home / 908,422.38-1,254,125.70-545,934.42

Finding the Fourth Proportional to 908,422.38, 1,254,125.70 and 545,934.42

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Solution

The fourth proportional to 908,422.38, 1,254,125.70 and 545,934.42 is: 753,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,422.38 : 1,254,125.70 = 545,934.42 : x
  2. Step 2: Convert to fraction form
    908,422.38/1,254,125.70 = 545,934.42/x
  3. Step 3: Cross multiply
    908,422.38x = 1,254,125.70 × 545,934.42
  4. Step 4: Simplify right side
    908,422.38x = 684,670,386,636.59
  5. Step 5: Solve for x
    x = 684,670,386,636.59/908,422.38
  6. Step 6: Final answer
    x = 753,691.68

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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.