Home / 887,595.57-1,331,616.92-256,505.13

Finding the Fourth Proportional to 887,595.57, 1,331,616.92 and 256,505.13

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Solution

The fourth proportional to 887,595.57, 1,331,616.92 and 256,505.13 is: 384,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,595.57 : 1,331,616.92 = 256,505.13 : x
  2. Step 2: Convert to fraction form
    887,595.57/1,331,616.92 = 256,505.13/x
  3. Step 3: Cross multiply
    887,595.57x = 1,331,616.92 × 256,505.13
  4. Step 4: Simplify right side
    887,595.57x = 341,566,569,892.27
  5. Step 5: Solve for x
    x = 341,566,569,892.27/887,595.57
  6. Step 6: Final answer
    x = 384,822.30

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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.