Home / 1,041,261.40-1,560,855.30-479,315.80

Finding the Fourth Proportional to 1,041,261.40, 1,560,855.30 and 479,315.80

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Solution

The fourth proportional to 1,041,261.40, 1,560,855.30 and 479,315.80 is: 718,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,261.40 : 1,560,855.30 = 479,315.80 : x
  2. Step 2: Convert to fraction form
    1,041,261.40/1,560,855.30 = 479,315.80/x
  3. Step 3: Cross multiply
    1,041,261.40x = 1,560,855.30 × 479,315.80
  4. Step 4: Simplify right side
    1,041,261.40x = 748,142,606,803.74
  5. Step 5: Solve for x
    x = 748,142,606,803.74/1,041,261.40
  6. Step 6: Final answer
    x = 718,496.44

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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.