Home / 451,128.86-676,645.60-237,811.31

Finding the Fourth Proportional to 451,128.86, 676,645.60 and 237,811.31

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Solution

The fourth proportional to 451,128.86, 676,645.60 and 237,811.31 is: 356,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,128.86 : 676,645.60 = 237,811.31 : x
  2. Step 2: Convert to fraction form
    451,128.86/676,645.60 = 237,811.31/x
  3. Step 3: Cross multiply
    451,128.86x = 676,645.60 × 237,811.31
  4. Step 4: Simplify right side
    451,128.86x = 160,913,975,547.30
  5. Step 5: Solve for x
    x = 160,913,975,547.30/451,128.86
  6. Step 6: Final answer
    x = 356,691.82

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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.