Home / 402,022.08-554,765.33-220,732.84

Finding the Fourth Proportional to 402,022.08, 554,765.33 and 220,732.84

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Solution

The fourth proportional to 402,022.08, 554,765.33 and 220,732.84 is: 304,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,022.08 : 554,765.33 = 220,732.84 : x
  2. Step 2: Convert to fraction form
    402,022.08/554,765.33 = 220,732.84/x
  3. Step 3: Cross multiply
    402,022.08x = 554,765.33 × 220,732.84
  4. Step 4: Simplify right side
    402,022.08x = 122,454,924,333.86
  5. Step 5: Solve for x
    x = 122,454,924,333.86/402,022.08
  6. Step 6: Final answer
    x = 304,597.51

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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.