Home / 691,337.74-1,037,006.64-218,060.02

Finding the Fourth Proportional to 691,337.74, 1,037,006.64 and 218,060.02

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Solution

The fourth proportional to 691,337.74, 1,037,006.64 and 218,060.02 is: 327,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,337.74 : 1,037,006.64 = 218,060.02 : x
  2. Step 2: Convert to fraction form
    691,337.74/1,037,006.64 = 218,060.02/x
  3. Step 3: Cross multiply
    691,337.74x = 1,037,006.64 × 218,060.02
  4. Step 4: Simplify right side
    691,337.74x = 226,129,688,658.53
  5. Step 5: Solve for x
    x = 226,129,688,658.53/691,337.74
  6. Step 6: Final answer
    x = 327,090.04

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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.