Home / 515,669.28-773,545.26-195,974.30

Finding the Fourth Proportional to 515,669.28, 773,545.26 and 195,974.30

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Solution

The fourth proportional to 515,669.28, 773,545.26 and 195,974.30 is: 293,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,669.28 : 773,545.26 = 195,974.30 : x
  2. Step 2: Convert to fraction form
    515,669.28/773,545.26 = 195,974.30/x
  3. Step 3: Cross multiply
    515,669.28x = 773,545.26 × 195,974.30
  4. Step 4: Simplify right side
    515,669.28x = 151,594,990,846.82
  5. Step 5: Solve for x
    x = 151,594,990,846.82/515,669.28
  6. Step 6: Final answer
    x = 293,977.16

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1.5x scale

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.