Home / 887,683.48-1,331,534.94-256,602.76

Finding the Fourth Proportional to 887,683.48, 1,331,534.94 and 256,602.76

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Solution

The fourth proportional to 887,683.48, 1,331,534.94 and 256,602.76 is: 384,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,683.48 : 1,331,534.94 = 256,602.76 : x
  2. Step 2: Convert to fraction form
    887,683.48/1,331,534.94 = 256,602.76/x
  3. Step 3: Cross multiply
    887,683.48x = 1,331,534.94 × 256,602.76
  4. Step 4: Simplify right side
    887,683.48x = 341,675,540,640.43
  5. Step 5: Solve for x
    x = 341,675,540,640.43/887,683.48
  6. Step 6: Final answer
    x = 384,906.95

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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.