Home / 1,150,631.38-1,587,732.71-660,573.89

Finding the Fourth Proportional to 1,150,631.38, 1,587,732.71 and 660,573.89

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Solution

The fourth proportional to 1,150,631.38, 1,587,732.71 and 660,573.89 is: 911,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,631.38 : 1,587,732.71 = 660,573.89 : x
  2. Step 2: Convert to fraction form
    1,150,631.38/1,587,732.71 = 660,573.89/x
  3. Step 3: Cross multiply
    1,150,631.38x = 1,587,732.71 × 660,573.89
  4. Step 4: Simplify right side
    1,150,631.38x = 1,048,814,767,237.41
  5. Step 5: Solve for x
    x = 1,048,814,767,237.41/1,150,631.38
  6. Step 6: Final answer
    x = 911,512.40

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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.