Home / 398,011.20-596,997.12-148,674.24

Finding the Fourth Proportional to 398,011.20, 596,997.12 and 148,674.24

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Solution

The fourth proportional to 398,011.20, 596,997.12 and 148,674.24 is: 223,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,011.20 : 596,997.12 = 148,674.24 : x
  2. Step 2: Convert to fraction form
    398,011.20/596,997.12 = 148,674.24/x
  3. Step 3: Cross multiply
    398,011.20x = 596,997.12 × 148,674.24
  4. Step 4: Simplify right side
    398,011.20x = 88,758,093,098.19
  5. Step 5: Solve for x
    x = 88,758,093,098.19/398,011.20
  6. Step 6: Final answer
    x = 223,004.01

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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.