Home / 887,693.22-1,331,549.55-256,612.50

Finding the Fourth Proportional to 887,693.22, 1,331,549.55 and 256,612.50

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Solution

The fourth proportional to 887,693.22, 1,331,549.55 and 256,612.50 is: 384,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,693.22 : 1,331,549.55 = 256,612.50 : x
  2. Step 2: Convert to fraction form
    887,693.22/1,331,549.55 = 256,612.50/x
  3. Step 3: Cross multiply
    887,693.22x = 1,331,549.55 × 256,612.50
  4. Step 4: Simplify right side
    887,693.22x = 341,692,258,899.38
  5. Step 5: Solve for x
    x = 341,692,258,899.38/887,693.22
  6. Step 6: Final answer
    x = 384,921.56

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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.