Home / 649,445.46-896,196.11-359,039.62

Finding the Fourth Proportional to 649,445.46, 896,196.11 and 359,039.62

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Solution

The fourth proportional to 649,445.46, 896,196.11 and 359,039.62 is: 495,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,445.46 : 896,196.11 = 359,039.62 : x
  2. Step 2: Convert to fraction form
    649,445.46/896,196.11 = 359,039.62/x
  3. Step 3: Cross multiply
    649,445.46x = 896,196.11 × 359,039.62
  4. Step 4: Simplify right side
    649,445.46x = 321,769,910,779.88
  5. Step 5: Solve for x
    x = 321,769,910,779.88/649,445.46
  6. Step 6: Final answer
    x = 495,453.32

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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.