Home / 1,118,836.53-1,543,589.46-731,872.94

Finding the Fourth Proportional to 1,118,836.53, 1,543,589.46 and 731,872.94

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Solution

The fourth proportional to 1,118,836.53, 1,543,589.46 and 731,872.94 is: 1,009,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,836.53 : 1,543,589.46 = 731,872.94 : x
  2. Step 2: Convert to fraction form
    1,118,836.53/1,543,589.46 = 731,872.94/x
  3. Step 3: Cross multiply
    1,118,836.53x = 1,543,589.46 × 731,872.94
  4. Step 4: Simplify right side
    1,118,836.53x = 1,129,711,348,525.27
  5. Step 5: Solve for x
    x = 1,129,711,348,525.27/1,118,836.53
  6. Step 6: Final answer
    x = 1,009,719.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.