Home / 417,962.31-576,964.54-282,180.16

Finding the Fourth Proportional to 417,962.31, 576,964.54 and 282,180.16

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Solution

The fourth proportional to 417,962.31, 576,964.54 and 282,180.16 is: 389,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,962.31 : 576,964.54 = 282,180.16 : x
  2. Step 2: Convert to fraction form
    417,962.31/576,964.54 = 282,180.16/x
  3. Step 3: Cross multiply
    417,962.31x = 576,964.54 × 282,180.16
  4. Step 4: Simplify right side
    417,962.31x = 162,807,946,211.53
  5. Step 5: Solve for x
    x = 162,807,946,211.53/417,962.31
  6. Step 6: Final answer
    x = 389,527.82

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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.