Home / 398,932.15-550,451.04-237,802.24

Finding the Fourth Proportional to 398,932.15, 550,451.04 and 237,802.24

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Solution

The fourth proportional to 398,932.15, 550,451.04 and 237,802.24 is: 328,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,932.15 : 550,451.04 = 237,802.24 : x
  2. Step 2: Convert to fraction form
    398,932.15/550,451.04 = 237,802.24/x
  3. Step 3: Cross multiply
    398,932.15x = 550,451.04 × 237,802.24
  4. Step 4: Simplify right side
    398,932.15x = 130,898,490,322.33
  5. Step 5: Solve for x
    x = 130,898,490,322.33/398,932.15
  6. Step 6: Final answer
    x = 328,122.19

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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.