Home / 927,808.78-1,389,350.60-611,306.14

Finding the Fourth Proportional to 927,808.78, 1,389,350.60 and 611,306.14

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Solution

The fourth proportional to 927,808.78, 1,389,350.60 and 611,306.14 is: 915,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,808.78 : 1,389,350.60 = 611,306.14 : x
  2. Step 2: Convert to fraction form
    927,808.78/1,389,350.60 = 611,306.14/x
  3. Step 3: Cross multiply
    927,808.78x = 1,389,350.60 × 611,306.14
  4. Step 4: Simplify right side
    927,808.78x = 849,318,545,862.78
  5. Step 5: Solve for x
    x = 849,318,545,862.78/927,808.78
  6. Step 6: Final answer
    x = 915,402.58

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1.5x scale

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.