Home / 386,463.04-533,310.72-216,693.44

Finding the Fourth Proportional to 386,463.04, 533,310.72 and 216,693.44

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Solution

The fourth proportional to 386,463.04, 533,310.72 and 216,693.44 is: 299,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,463.04 : 533,310.72 = 216,693.44 : x
  2. Step 2: Convert to fraction form
    386,463.04/533,310.72 = 216,693.44/x
  3. Step 3: Cross multiply
    386,463.04x = 533,310.72 × 216,693.44
  4. Step 4: Simplify right side
    386,463.04x = 115,564,934,505.68
  5. Step 5: Solve for x
    x = 115,564,934,505.68/386,463.04
  6. Step 6: Final answer
    x = 299,032.31

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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.