Home / 619,125.42-928,688.34-408,714.18

Finding the Fourth Proportional to 619,125.42, 928,688.34 and 408,714.18

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Solution

The fourth proportional to 619,125.42, 928,688.34 and 408,714.18 is: 613,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,125.42 : 928,688.34 = 408,714.18 : x
  2. Step 2: Convert to fraction form
    619,125.42/928,688.34 = 408,714.18/x
  3. Step 3: Cross multiply
    619,125.42x = 928,688.34 × 408,714.18
  4. Step 4: Simplify right side
    619,125.42x = 379,568,093,358.66
  5. Step 5: Solve for x
    x = 379,568,093,358.66/619,125.42
  6. Step 6: Final answer
    x = 613,071.41

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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.