Home / 432,875.10-649,312.65-327,899.10

Finding the Fourth Proportional to 432,875.10, 649,312.65 and 327,899.10

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Solution

The fourth proportional to 432,875.10, 649,312.65 and 327,899.10 is: 491,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,875.10 : 649,312.65 = 327,899.10 : x
  2. Step 2: Convert to fraction form
    432,875.10/649,312.65 = 327,899.10/x
  3. Step 3: Cross multiply
    432,875.10x = 649,312.65 × 327,899.10
  4. Step 4: Simplify right side
    432,875.10x = 212,909,033,553.62
  5. Step 5: Solve for x
    x = 212,909,033,553.62/432,875.10
  6. Step 6: Final answer
    x = 491,848.65

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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.