Home / 411,278.88-567,560.20-229,988.32

Finding the Fourth Proportional to 411,278.88, 567,560.20 and 229,988.32

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Solution

The fourth proportional to 411,278.88, 567,560.20 and 229,988.32 is: 317,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,278.88 : 567,560.20 = 229,988.32 : x
  2. Step 2: Convert to fraction form
    411,278.88/567,560.20 = 229,988.32/x
  3. Step 3: Cross multiply
    411,278.88x = 567,560.20 × 229,988.32
  4. Step 4: Simplify right side
    411,278.88x = 130,532,216,896.86
  5. Step 5: Solve for x
    x = 130,532,216,896.86/411,278.88
  6. Step 6: Final answer
    x = 317,381.28

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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.