Home / 866,112.08-1,195,280.15-522,057.42

Finding the Fourth Proportional to 866,112.08, 1,195,280.15 and 522,057.42

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Solution

The fourth proportional to 866,112.08, 1,195,280.15 and 522,057.42 is: 720,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,112.08 : 1,195,280.15 = 522,057.42 : x
  2. Step 2: Convert to fraction form
    866,112.08/1,195,280.15 = 522,057.42/x
  3. Step 3: Cross multiply
    866,112.08x = 1,195,280.15 × 522,057.42
  4. Step 4: Simplify right side
    866,112.08x = 624,004,868,675.93
  5. Step 5: Solve for x
    x = 624,004,868,675.93/866,112.08
  6. Step 6: Final answer
    x = 720,466.65

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Double scale
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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.