Home / 418,324.03-577,290.81-227,337.40

Finding the Fourth Proportional to 418,324.03, 577,290.81 and 227,337.40

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Solution

The fourth proportional to 418,324.03, 577,290.81 and 227,337.40 is: 313,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,324.03 : 577,290.81 = 227,337.40 : x
  2. Step 2: Convert to fraction form
    418,324.03/577,290.81 = 227,337.40/x
  3. Step 3: Cross multiply
    418,324.03x = 577,290.81 × 227,337.40
  4. Step 4: Simplify right side
    418,324.03x = 131,239,791,789.29
  5. Step 5: Solve for x
    x = 131,239,791,789.29/418,324.03
  6. Step 6: Final answer
    x = 313,727.59

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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.