Home / 558,851.76-834,220.35-517,219.92

Finding the Fourth Proportional to 558,851.76, 834,220.35 and 517,219.92

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Solution

The fourth proportional to 558,851.76, 834,220.35 and 517,219.92 is: 772,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,851.76 : 834,220.35 = 517,219.92 : x
  2. Step 2: Convert to fraction form
    558,851.76/834,220.35 = 517,219.92/x
  3. Step 3: Cross multiply
    558,851.76x = 834,220.35 × 517,219.92
  4. Step 4: Simplify right side
    558,851.76x = 431,475,382,689.37
  5. Step 5: Solve for x
    x = 431,475,382,689.37/558,851.76
  6. Step 6: Final answer
    x = 772,074.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.