Home / 711,288.20-1,066,932.30-653,227.40

Finding the Fourth Proportional to 711,288.20, 1,066,932.30 and 653,227.40

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Solution

The fourth proportional to 711,288.20, 1,066,932.30 and 653,227.40 is: 979,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,288.20 : 1,066,932.30 = 653,227.40 : x
  2. Step 2: Convert to fraction form
    711,288.20/1,066,932.30 = 653,227.40/x
  3. Step 3: Cross multiply
    711,288.20x = 1,066,932.30 × 653,227.40
  4. Step 4: Simplify right side
    711,288.20x = 696,949,412,305.02
  5. Step 5: Solve for x
    x = 696,949,412,305.02/711,288.20
  6. Step 6: Final answer
    x = 979,841.10

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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.