Home / 649,758.30-896,640.19-359,350.75

Finding the Fourth Proportional to 649,758.30, 896,640.19 and 359,350.75

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Solution

The fourth proportional to 649,758.30, 896,640.19 and 359,350.75 is: 495,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,758.30 : 896,640.19 = 359,350.75 : x
  2. Step 2: Convert to fraction form
    649,758.30/896,640.19 = 359,350.75/x
  3. Step 3: Cross multiply
    649,758.30x = 896,640.19 × 359,350.75
  4. Step 4: Simplify right side
    649,758.30x = 322,208,324,756.64
  5. Step 5: Solve for x
    x = 322,208,324,756.64/649,758.30
  6. Step 6: Final answer
    x = 495,889.51

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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.