Home / 928,587.78-1,281,678.80-566,211.20

Finding the Fourth Proportional to 928,587.78, 1,281,678.80 and 566,211.20

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Solution

The fourth proportional to 928,587.78, 1,281,678.80 and 566,211.20 is: 781,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,587.78 : 1,281,678.80 = 566,211.20 : x
  2. Step 2: Convert to fraction form
    928,587.78/1,281,678.80 = 566,211.20/x
  3. Step 3: Cross multiply
    928,587.78x = 1,281,678.80 × 566,211.20
  4. Step 4: Simplify right side
    928,587.78x = 725,700,882,123.11
  5. Step 5: Solve for x
    x = 725,700,882,123.11/928,587.78
  6. Step 6: Final answer
    x = 781,510.27

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1.5x scale

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.