Home / 1,332,435.32-1,998,205.45-433,665.69

Finding the Fourth Proportional to 1,332,435.32, 1,998,205.45 and 433,665.69

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Solution

The fourth proportional to 1,332,435.32, 1,998,205.45 and 433,665.69 is: 650,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,435.32 : 1,998,205.45 = 433,665.69 : x
  2. Step 2: Convert to fraction form
    1,332,435.32/1,998,205.45 = 433,665.69/x
  3. Step 3: Cross multiply
    1,332,435.32x = 1,998,205.45 × 433,665.69
  4. Step 4: Simplify right side
    1,332,435.32x = 866,553,147,898.48
  5. Step 5: Solve for x
    x = 866,553,147,898.48/1,332,435.32
  6. Step 6: Final answer
    x = 650,352.88

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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.