Home / 653,999.40-979,703.10-576,066.60

Finding the Fourth Proportional to 653,999.40, 979,703.10 and 576,066.60

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Solution

The fourth proportional to 653,999.40, 979,703.10 and 576,066.60 is: 862,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,999.40 : 979,703.10 = 576,066.60 : x
  2. Step 2: Convert to fraction form
    653,999.40/979,703.10 = 576,066.60/x
  3. Step 3: Cross multiply
    653,999.40x = 979,703.10 × 576,066.60
  4. Step 4: Simplify right side
    653,999.40x = 564,374,233,826.46
  5. Step 5: Solve for x
    x = 564,374,233,826.46/653,999.40
  6. Step 6: Final answer
    x = 862,958.34

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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.