Home / 1,097,176.52-1,514,407.96-638,379.73

Finding the Fourth Proportional to 1,097,176.52, 1,514,407.96 and 638,379.73

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Solution

The fourth proportional to 1,097,176.52, 1,514,407.96 and 638,379.73 is: 881,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,176.52 : 1,514,407.96 = 638,379.73 : x
  2. Step 2: Convert to fraction form
    1,097,176.52/1,514,407.96 = 638,379.73/x
  3. Step 3: Cross multiply
    1,097,176.52x = 1,514,407.96 × 638,379.73
  4. Step 4: Simplify right side
    1,097,176.52x = 966,767,347,305.64
  5. Step 5: Solve for x
    x = 966,767,347,305.64/1,097,176.52
  6. Step 6: Final answer
    x = 881,141.12

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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.