Home / 418,030.23-576,881.28-227,043.78

Finding the Fourth Proportional to 418,030.23, 576,881.28 and 227,043.78

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Solution

The fourth proportional to 418,030.23, 576,881.28 and 227,043.78 is: 313,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,030.23 : 576,881.28 = 227,043.78 : x
  2. Step 2: Convert to fraction form
    418,030.23/576,881.28 = 227,043.78/x
  3. Step 3: Cross multiply
    418,030.23x = 576,881.28 × 227,043.78
  4. Step 4: Simplify right side
    418,030.23x = 130,977,306,422.44
  5. Step 5: Solve for x
    x = 130,977,306,422.44/418,030.23
  6. Step 6: Final answer
    x = 313,320.18

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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.