Home / 343,011.40-514,517.10-295,772.20

Finding the Fourth Proportional to 343,011.40, 514,517.10 and 295,772.20

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Solution

The fourth proportional to 343,011.40, 514,517.10 and 295,772.20 is: 443,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,011.40 : 514,517.10 = 295,772.20 : x
  2. Step 2: Convert to fraction form
    343,011.40/514,517.10 = 295,772.20/x
  3. Step 3: Cross multiply
    343,011.40x = 514,517.10 × 295,772.20
  4. Step 4: Simplify right side
    343,011.40x = 152,179,854,604.62
  5. Step 5: Solve for x
    x = 152,179,854,604.62/343,011.40
  6. Step 6: Final answer
    x = 443,658.30

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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.