Home / 1,092,245.28-1,638,690.42-560,139

Finding the Fourth Proportional to 1,092,245.28, 1,638,690.42 and 560,139

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Solution

The fourth proportional to 1,092,245.28, 1,638,690.42 and 560,139 is: 840,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,245.28 : 1,638,690.42 = 560,139 : x
  2. Step 2: Convert to fraction form
    1,092,245.28/1,638,690.42 = 560,139/x
  3. Step 3: Cross multiply
    1,092,245.28x = 1,638,690.42 × 560,139
  4. Step 4: Simplify right side
    1,092,245.28x = 917,894,413,168.38
  5. Step 5: Solve for x
    x = 917,894,413,168.38/1,092,245.28
  6. Step 6: Final answer
    x = 840,373.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.