Home / 653,997.40-979,700.10-576,064.60

Finding the Fourth Proportional to 653,997.40, 979,700.10 and 576,064.60

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Solution

The fourth proportional to 653,997.40, 979,700.10 and 576,064.60 is: 862,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,997.40 : 979,700.10 = 576,064.60 : x
  2. Step 2: Convert to fraction form
    653,997.40/979,700.10 = 576,064.60/x
  3. Step 3: Cross multiply
    653,997.40x = 979,700.10 × 576,064.60
  4. Step 4: Simplify right side
    653,997.40x = 564,370,546,226.46
  5. Step 5: Solve for x
    x = 564,370,546,226.46/653,997.40
  6. Step 6: Final answer
    x = 862,955.34

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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.