Home / 1,488,630.41-2,232,046.59-667,818.72

Finding the Fourth Proportional to 1,488,630.41, 2,232,046.59 and 667,818.72

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Solution

The fourth proportional to 1,488,630.41, 2,232,046.59 and 667,818.72 is: 1,001,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,630.41 : 2,232,046.59 = 667,818.72 : x
  2. Step 2: Convert to fraction form
    1,488,630.41/2,232,046.59 = 667,818.72/x
  3. Step 3: Cross multiply
    1,488,630.41x = 2,232,046.59 × 667,818.72
  4. Step 4: Simplify right side
    1,488,630.41x = 1,490,602,496,714.16
  5. Step 5: Solve for x
    x = 1,490,602,496,714.16/1,488,630.41
  6. Step 6: Final answer
    x = 1,001,324.77

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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.