Home / 418,211.73-577,134.59-227,226.69

Finding the Fourth Proportional to 418,211.73, 577,134.59 and 227,226.69

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Solution

The fourth proportional to 418,211.73, 577,134.59 and 227,226.69 is: 313,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,211.73 : 577,134.59 = 227,226.69 : x
  2. Step 2: Convert to fraction form
    418,211.73/577,134.59 = 227,226.69/x
  3. Step 3: Cross multiply
    418,211.73x = 577,134.59 × 227,226.69
  4. Step 4: Simplify right side
    418,211.73x = 131,140,381,434.07
  5. Step 5: Solve for x
    x = 131,140,381,434.07/418,211.73
  6. Step 6: Final answer
    x = 313,574.13

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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.