Home / 649,581.40-973,853.70-275,296.60

Finding the Fourth Proportional to 649,581.40, 973,853.70 and 275,296.60

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Solution

The fourth proportional to 649,581.40, 973,853.70 and 275,296.60 is: 412,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,581.40 : 973,853.70 = 275,296.60 : x
  2. Step 2: Convert to fraction form
    649,581.40/973,853.70 = 275,296.60/x
  3. Step 3: Cross multiply
    649,581.40x = 973,853.70 × 275,296.60
  4. Step 4: Simplify right side
    649,581.40x = 268,098,612,507.42
  5. Step 5: Solve for x
    x = 268,098,612,507.42/649,581.40
  6. Step 6: Final answer
    x = 412,725.20

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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.