Home / 556,127.20-834,190.80-486,143.20

Finding the Fourth Proportional to 556,127.20, 834,190.80 and 486,143.20

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Solution

The fourth proportional to 556,127.20, 834,190.80 and 486,143.20 is: 729,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,127.20 : 834,190.80 = 486,143.20 : x
  2. Step 2: Convert to fraction form
    556,127.20/834,190.80 = 486,143.20/x
  3. Step 3: Cross multiply
    556,127.20x = 834,190.80 × 486,143.20
  4. Step 4: Simplify right side
    556,127.20x = 405,536,184,922.56
  5. Step 5: Solve for x
    x = 405,536,184,922.56/556,127.20
  6. Step 6: Final answer
    x = 729,214.80

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Similar ratio
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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.