Home / 649,750.19-896,625.59-359,364.38

Finding the Fourth Proportional to 649,750.19, 896,625.59 and 359,364.38

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Solution

The fourth proportional to 649,750.19, 896,625.59 and 359,364.38 is: 495,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,750.19 : 896,625.59 = 359,364.38 : x
  2. Step 2: Convert to fraction form
    649,750.19/896,625.59 = 359,364.38/x
  3. Step 3: Cross multiply
    649,750.19x = 896,625.59 × 359,364.38
  4. Step 4: Simplify right side
    649,750.19x = 322,215,297,899.33
  5. Step 5: Solve for x
    x = 322,215,297,899.33/649,750.19
  6. Step 6: Final answer
    x = 495,906.43

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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.