Home / 578,977.11-868,713.53-242,096.49

Finding the Fourth Proportional to 578,977.11, 868,713.53 and 242,096.49

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Solution

The fourth proportional to 578,977.11, 868,713.53 and 242,096.49 is: 363,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,977.11 : 868,713.53 = 242,096.49 : x
  2. Step 2: Convert to fraction form
    578,977.11/868,713.53 = 242,096.49/x
  3. Step 3: Cross multiply
    578,977.11x = 868,713.53 × 242,096.49
  4. Step 4: Simplify right side
    578,977.11x = 210,312,495,218.03
  5. Step 5: Solve for x
    x = 210,312,495,218.03/578,977.11
  6. Step 6: Final answer
    x = 363,248.38

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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.