Home / 650,121.24-896,806.26-378,158.52

Finding the Fourth Proportional to 650,121.24, 896,806.26 and 378,158.52

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Solution

The fourth proportional to 650,121.24, 896,806.26 and 378,158.52 is: 521,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,121.24 : 896,806.26 = 378,158.52 : x
  2. Step 2: Convert to fraction form
    650,121.24/896,806.26 = 378,158.52/x
  3. Step 3: Cross multiply
    650,121.24x = 896,806.26 × 378,158.52
  4. Step 4: Simplify right side
    650,121.24x = 339,134,928,008.34
  5. Step 5: Solve for x
    x = 339,134,928,008.34/650,121.24
  6. Step 6: Final answer
    x = 521,648.74

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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.