Home / 515,826.05-773,490.20-216,226.17

Finding the Fourth Proportional to 515,826.05, 773,490.20 and 216,226.17

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Solution

The fourth proportional to 515,826.05, 773,490.20 and 216,226.17 is: 324,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,826.05 : 773,490.20 = 216,226.17 : x
  2. Step 2: Convert to fraction form
    515,826.05/773,490.20 = 216,226.17/x
  3. Step 3: Cross multiply
    515,826.05x = 773,490.20 × 216,226.17
  4. Step 4: Simplify right side
    515,826.05x = 167,248,822,397.40
  5. Step 5: Solve for x
    x = 167,248,822,397.40/515,826.05
  6. Step 6: Final answer
    x = 324,234.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.