Home / 656,254.20-984,770.10-478,313.40

Finding the Fourth Proportional to 656,254.20, 984,770.10 and 478,313.40

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Solution

The fourth proportional to 656,254.20, 984,770.10 and 478,313.40 is: 717,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,254.20 : 984,770.10 = 478,313.40 : x
  2. Step 2: Convert to fraction form
    656,254.20/984,770.10 = 478,313.40/x
  3. Step 3: Cross multiply
    656,254.20x = 984,770.10 × 478,313.40
  4. Step 4: Simplify right side
    656,254.20x = 471,028,734,749.34
  5. Step 5: Solve for x
    x = 471,028,734,749.34/656,254.20
  6. Step 6: Final answer
    x = 717,753.48

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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.