Home / 803,217.52-1,109,190.27-517,240.54

Finding the Fourth Proportional to 803,217.52, 1,109,190.27 and 517,240.54

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Solution

The fourth proportional to 803,217.52, 1,109,190.27 and 517,240.54 is: 714,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,217.52 : 1,109,190.27 = 517,240.54 : x
  2. Step 2: Convert to fraction form
    803,217.52/1,109,190.27 = 517,240.54/x
  3. Step 3: Cross multiply
    803,217.52x = 1,109,190.27 × 517,240.54
  4. Step 4: Simplify right side
    803,217.52x = 573,718,174,217.55
  5. Step 5: Solve for x
    x = 573,718,174,217.55/803,217.52
  6. Step 6: Final answer
    x = 714,274.98

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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.