Home / 649,618.40-973,909.20-275,333.60

Finding the Fourth Proportional to 649,618.40, 973,909.20 and 275,333.60

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Solution

The fourth proportional to 649,618.40, 973,909.20 and 275,333.60 is: 412,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,618.40 : 973,909.20 = 275,333.60 : x
  2. Step 2: Convert to fraction form
    649,618.40/973,909.20 = 275,333.60/x
  3. Step 3: Cross multiply
    649,618.40x = 973,909.20 × 275,333.60
  4. Step 4: Simplify right side
    649,618.40x = 268,149,926,109.12
  5. Step 5: Solve for x
    x = 268,149,926,109.12/649,618.40
  6. Step 6: Final answer
    x = 412,780.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.