Home / 432,868.10-649,302.15-327,892.10

Finding the Fourth Proportional to 432,868.10, 649,302.15 and 327,892.10

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Solution

The fourth proportional to 432,868.10, 649,302.15 and 327,892.10 is: 491,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,868.10 : 649,302.15 = 327,892.10 : x
  2. Step 2: Convert to fraction form
    432,868.10/649,302.15 = 327,892.10/x
  3. Step 3: Cross multiply
    432,868.10x = 649,302.15 × 327,892.10
  4. Step 4: Simplify right side
    432,868.10x = 212,901,045,498.02
  5. Step 5: Solve for x
    x = 212,901,045,498.02/432,868.10
  6. Step 6: Final answer
    x = 491,838.15

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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.