Home / 911,349.59-1,257,658.38-503,451.62

Finding the Fourth Proportional to 911,349.59, 1,257,658.38 and 503,451.62

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Solution

The fourth proportional to 911,349.59, 1,257,658.38 and 503,451.62 is: 694,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,349.59 : 1,257,658.38 = 503,451.62 : x
  2. Step 2: Convert to fraction form
    911,349.59/1,257,658.38 = 503,451.62/x
  3. Step 3: Cross multiply
    911,349.59x = 1,257,658.38 × 503,451.62
  4. Step 4: Simplify right side
    911,349.59x = 633,170,147,245.50
  5. Step 5: Solve for x
    x = 633,170,147,245.50/911,349.59
  6. Step 6: Final answer
    x = 694,761.00

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1.5x scale

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.