Home / 382,612.28-527,638.02-253,345.64

Finding the Fourth Proportional to 382,612.28, 527,638.02 and 253,345.64

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Solution

The fourth proportional to 382,612.28, 527,638.02 and 253,345.64 is: 349,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,612.28 : 527,638.02 = 253,345.64 : x
  2. Step 2: Convert to fraction form
    382,612.28/527,638.02 = 253,345.64/x
  3. Step 3: Cross multiply
    382,612.28x = 527,638.02 × 253,345.64
  4. Step 4: Simplify right side
    382,612.28x = 133,674,791,865.23
  5. Step 5: Solve for x
    x = 133,674,791,865.23/382,612.28
  6. Step 6: Final answer
    x = 349,374.02

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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.