Home / 929,628.30-1,394,572.05-397,145.10

Finding the Fourth Proportional to 929,628.30, 1,394,572.05 and 397,145.10

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Solution

The fourth proportional to 929,628.30, 1,394,572.05 and 397,145.10 is: 595,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,628.30 : 1,394,572.05 = 397,145.10 : x
  2. Step 2: Convert to fraction form
    929,628.30/1,394,572.05 = 397,145.10/x
  3. Step 3: Cross multiply
    929,628.30x = 1,394,572.05 × 397,145.10
  4. Step 4: Simplify right side
    929,628.30x = 553,847,456,254.46
  5. Step 5: Solve for x
    x = 553,847,456,254.46/929,628.30
  6. Step 6: Final answer
    x = 595,773.02

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Double scale
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Similar ratio
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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.