Home / 856,402.24-1,181,819.28-474,420.64

Finding the Fourth Proportional to 856,402.24, 1,181,819.28 and 474,420.64

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Solution

The fourth proportional to 856,402.24, 1,181,819.28 and 474,420.64 is: 654,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,402.24 : 1,181,819.28 = 474,420.64 : x
  2. Step 2: Convert to fraction form
    856,402.24/1,181,819.28 = 474,420.64/x
  3. Step 3: Cross multiply
    856,402.24x = 1,181,819.28 × 474,420.64
  4. Step 4: Simplify right side
    856,402.24x = 560,679,459,181.94
  5. Step 5: Solve for x
    x = 560,679,459,181.94/856,402.24
  6. Step 6: Final answer
    x = 654,691.72

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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.