Home / 940,419.59-1,298,176.31-634,909.79

Finding the Fourth Proportional to 940,419.59, 1,298,176.31 and 634,909.79

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Solution

The fourth proportional to 940,419.59, 1,298,176.31 and 634,909.79 is: 876,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,419.59 : 1,298,176.31 = 634,909.79 : x
  2. Step 2: Convert to fraction form
    940,419.59/1,298,176.31 = 634,909.79/x
  3. Step 3: Cross multiply
    940,419.59x = 1,298,176.31 × 634,909.79
  4. Step 4: Simplify right side
    940,419.59x = 824,224,853,197.79
  5. Step 5: Solve for x
    x = 824,224,853,197.79/940,419.59
  6. Step 6: Final answer
    x = 876,443.73

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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.