Home / 814,934.17-1,124,680.35-475,511.77

Finding the Fourth Proportional to 814,934.17, 1,124,680.35 and 475,511.77

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Solution

The fourth proportional to 814,934.17, 1,124,680.35 and 475,511.77 is: 656,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,934.17 : 1,124,680.35 = 475,511.77 : x
  2. Step 2: Convert to fraction form
    814,934.17/1,124,680.35 = 475,511.77/x
  3. Step 3: Cross multiply
    814,934.17x = 1,124,680.35 × 475,511.77
  4. Step 4: Simplify right side
    814,934.17x = 534,798,743,912.72
  5. Step 5: Solve for x
    x = 534,798,743,912.72/814,934.17
  6. Step 6: Final answer
    x = 656,247.78

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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.