Home / 526,005.63-725,887.91-284,288.20

Finding the Fourth Proportional to 526,005.63, 725,887.91 and 284,288.20

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Solution

The fourth proportional to 526,005.63, 725,887.91 and 284,288.20 is: 392,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,005.63 : 725,887.91 = 284,288.20 : x
  2. Step 2: Convert to fraction form
    526,005.63/725,887.91 = 284,288.20/x
  3. Step 3: Cross multiply
    526,005.63x = 725,887.91 × 284,288.20
  4. Step 4: Simplify right side
    526,005.63x = 206,361,366,231.66
  5. Step 5: Solve for x
    x = 206,361,366,231.66/526,005.63
  6. Step 6: Final answer
    x = 392,317.79

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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.