Home / 482,865.16-666,349.10-267,999.70

Finding the Fourth Proportional to 482,865.16, 666,349.10 and 267,999.70

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Solution

The fourth proportional to 482,865.16, 666,349.10 and 267,999.70 is: 369,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,865.16 : 666,349.10 = 267,999.70 : x
  2. Step 2: Convert to fraction form
    482,865.16/666,349.10 = 267,999.70/x
  3. Step 3: Cross multiply
    482,865.16x = 666,349.10 × 267,999.70
  4. Step 4: Simplify right side
    482,865.16x = 178,581,354,223.53
  5. Step 5: Solve for x
    x = 178,581,354,223.53/482,865.16
  6. Step 6: Final answer
    x = 369,836.90

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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.