Home / 652,849.20-977,961.60-440,272.80

Finding the Fourth Proportional to 652,849.20, 977,961.60 and 440,272.80

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Solution

The fourth proportional to 652,849.20, 977,961.60 and 440,272.80 is: 659,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,849.20 : 977,961.60 = 440,272.80 : x
  2. Step 2: Convert to fraction form
    652,849.20/977,961.60 = 440,272.80/x
  3. Step 3: Cross multiply
    652,849.20x = 977,961.60 × 440,272.80
  4. Step 4: Simplify right side
    652,849.20x = 430,569,891,924.48
  5. Step 5: Solve for x
    x = 430,569,891,924.48/652,849.20
  6. Step 6: Final answer
    x = 659,524.27

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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.