Home / 1,145,576.52-1,580,853.51-636,311.70

Finding the Fourth Proportional to 1,145,576.52, 1,580,853.51 and 636,311.70

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Solution

The fourth proportional to 1,145,576.52, 1,580,853.51 and 636,311.70 is: 878,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,576.52 : 1,580,853.51 = 636,311.70 : x
  2. Step 2: Convert to fraction form
    1,145,576.52/1,580,853.51 = 636,311.70/x
  3. Step 3: Cross multiply
    1,145,576.52x = 1,580,853.51 × 636,311.70
  4. Step 4: Simplify right side
    1,145,576.52x = 1,005,915,584,399.07
  5. Step 5: Solve for x
    x = 1,005,915,584,399.07/1,145,576.52
  6. Step 6: Final answer
    x = 878,086.77

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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.