Home / 515,815.95-773,723.93-160,827.15

Finding the Fourth Proportional to 515,815.95, 773,723.93 and 160,827.15

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Solution

The fourth proportional to 515,815.95, 773,723.93 and 160,827.15 is: 241,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,815.95 : 773,723.93 = 160,827.15 : x
  2. Step 2: Convert to fraction form
    515,815.95/773,723.93 = 160,827.15/x
  3. Step 3: Cross multiply
    515,815.95x = 773,723.93 × 160,827.15
  4. Step 4: Simplify right side
    515,815.95x = 124,435,813,744.56
  5. Step 5: Solve for x
    x = 124,435,813,744.56/515,815.95
  6. Step 6: Final answer
    x = 241,240.73

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Double scale
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Similar ratio
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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.