Home / 911,350.59-1,257,659.76-503,452.62

Finding the Fourth Proportional to 911,350.59, 1,257,659.76 and 503,452.62

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Solution

The fourth proportional to 911,350.59, 1,257,659.76 and 503,452.62 is: 694,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,350.59 : 1,257,659.76 = 503,452.62 : x
  2. Step 2: Convert to fraction form
    911,350.59/1,257,659.76 = 503,452.62/x
  3. Step 3: Cross multiply
    911,350.59x = 1,257,659.76 × 503,452.62
  4. Step 4: Simplify right side
    911,350.59x = 633,172,101,240.57
  5. Step 5: Solve for x
    x = 633,172,101,240.57/911,350.59
  6. Step 6: Final answer
    x = 694,762.38

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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.