Home / 1,993,132.80-2,989,213.20-573,040.80

Finding the Fourth Proportional to 1,993,132.80, 2,989,213.20 and 573,040.80

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Solution

The fourth proportional to 1,993,132.80, 2,989,213.20 and 573,040.80 is: 859,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,132.80 : 2,989,213.20 = 573,040.80 : x
  2. Step 2: Convert to fraction form
    1,993,132.80/2,989,213.20 = 573,040.80/x
  3. Step 3: Cross multiply
    1,993,132.80x = 2,989,213.20 × 573,040.80
  4. Step 4: Simplify right side
    1,993,132.80x = 1,712,941,123,498.56
  5. Step 5: Solve for x
    x = 1,712,941,123,498.56/1,993,132.80
  6. Step 6: Final answer
    x = 859,421.47

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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.