Home / 649,451.22-896,204.07-359,045.40

Finding the Fourth Proportional to 649,451.22, 896,204.07 and 359,045.40

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Solution

The fourth proportional to 649,451.22, 896,204.07 and 359,045.40 is: 495,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,451.22 : 896,204.07 = 359,045.40 : x
  2. Step 2: Convert to fraction form
    649,451.22/896,204.07 = 359,045.40/x
  3. Step 3: Cross multiply
    649,451.22x = 896,204.07 × 359,045.40
  4. Step 4: Simplify right side
    649,451.22x = 321,777,948,794.78
  5. Step 5: Solve for x
    x = 321,777,948,794.78/649,451.22
  6. Step 6: Final answer
    x = 495,461.30

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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.