Home / 838,219.61-1,156,710.92-475,621.85

Finding the Fourth Proportional to 838,219.61, 1,156,710.92 and 475,621.85

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Solution

The fourth proportional to 838,219.61, 1,156,710.92 and 475,621.85 is: 656,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,219.61 : 1,156,710.92 = 475,621.85 : x
  2. Step 2: Convert to fraction form
    838,219.61/1,156,710.92 = 475,621.85/x
  3. Step 3: Cross multiply
    838,219.61x = 1,156,710.92 × 475,621.85
  4. Step 4: Simplify right side
    838,219.61x = 550,156,979,523.94
  5. Step 5: Solve for x
    x = 550,156,979,523.94/838,219.61
  6. Step 6: Final answer
    x = 656,339.91

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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.