Home / 1,191,431.64-1,644,414.96-707,903.88

Finding the Fourth Proportional to 1,191,431.64, 1,644,414.96 and 707,903.88

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Solution

The fourth proportional to 1,191,431.64, 1,644,414.96 and 707,903.88 is: 977,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,431.64 : 1,644,414.96 = 707,903.88 : x
  2. Step 2: Convert to fraction form
    1,191,431.64/1,644,414.96 = 707,903.88/x
  3. Step 3: Cross multiply
    1,191,431.64x = 1,644,414.96 × 707,903.88
  4. Step 4: Simplify right side
    1,191,431.64x = 1,164,087,730,514.04
  5. Step 5: Solve for x
    x = 1,164,087,730,514.04/1,191,431.64
  6. Step 6: Final answer
    x = 977,049.54

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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.