Home / 981,123.18-1,471,051.44-468,511.02

Finding the Fourth Proportional to 981,123.18, 1,471,051.44 and 468,511.02

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Solution

The fourth proportional to 981,123.18, 1,471,051.44 and 468,511.02 is: 702,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,123.18 : 1,471,051.44 = 468,511.02 : x
  2. Step 2: Convert to fraction form
    981,123.18/1,471,051.44 = 468,511.02/x
  3. Step 3: Cross multiply
    981,123.18x = 1,471,051.44 × 468,511.02
  4. Step 4: Simplify right side
    981,123.18x = 689,203,810,626.87
  5. Step 5: Solve for x
    x = 689,203,810,626.87/981,123.18
  6. Step 6: Final answer
    x = 702,464.10

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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.