Home / 398,929.15-550,446.91-237,799.23

Finding the Fourth Proportional to 398,929.15, 550,446.91 and 237,799.23

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Solution

The fourth proportional to 398,929.15, 550,446.91 and 237,799.23 is: 328,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,929.15 : 550,446.91 = 237,799.23 : x
  2. Step 2: Convert to fraction form
    398,929.15/550,446.91 = 237,799.23/x
  3. Step 3: Cross multiply
    398,929.15x = 550,446.91 × 237,799.23
  4. Step 4: Simplify right side
    398,929.15x = 130,895,851,353.88
  5. Step 5: Solve for x
    x = 130,895,851,353.88/398,929.15
  6. Step 6: Final answer
    x = 328,118.04

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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.