Home / 526,320.34-726,321.53-284,602.30

Finding the Fourth Proportional to 526,320.34, 726,321.53 and 284,602.30

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Solution

The fourth proportional to 526,320.34, 726,321.53 and 284,602.30 is: 392,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,320.34 : 726,321.53 = 284,602.30 : x
  2. Step 2: Convert to fraction form
    526,320.34/726,321.53 = 284,602.30/x
  3. Step 3: Cross multiply
    526,320.34x = 726,321.53 × 284,602.30
  4. Step 4: Simplify right side
    526,320.34x = 206,712,776,873.22
  5. Step 5: Solve for x
    x = 206,712,776,873.22/526,320.34
  6. Step 6: Final answer
    x = 392,750.88

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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.