Home / 887,673.48-1,331,519.94-256,592.76

Finding the Fourth Proportional to 887,673.48, 1,331,519.94 and 256,592.76

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Solution

The fourth proportional to 887,673.48, 1,331,519.94 and 256,592.76 is: 384,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,673.48 : 1,331,519.94 = 256,592.76 : x
  2. Step 2: Convert to fraction form
    887,673.48/1,331,519.94 = 256,592.76/x
  3. Step 3: Cross multiply
    887,673.48x = 1,331,519.94 × 256,592.76
  4. Step 4: Simplify right side
    887,673.48x = 341,658,376,399.63
  5. Step 5: Solve for x
    x = 341,658,376,399.63/887,673.48
  6. Step 6: Final answer
    x = 384,891.95

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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.