Home / 410,977.02-616,523.52-126,690.66

Finding the Fourth Proportional to 410,977.02, 616,523.52 and 126,690.66

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Solution

The fourth proportional to 410,977.02, 616,523.52 and 126,690.66 is: 190,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,977.02 : 616,523.52 = 126,690.66 : x
  2. Step 2: Convert to fraction form
    410,977.02/616,523.52 = 126,690.66/x
  3. Step 3: Cross multiply
    410,977.02x = 616,523.52 × 126,690.66
  4. Step 4: Simplify right side
    410,977.02x = 78,107,771,654.32
  5. Step 5: Solve for x
    x = 78,107,771,654.32/410,977.02
  6. Step 6: Final answer
    x = 190,053.87

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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.