Home / 650,306.23-973,515.88-393,361.20

Finding the Fourth Proportional to 650,306.23, 973,515.88 and 393,361.20

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Solution

The fourth proportional to 650,306.23, 973,515.88 and 393,361.20 is: 588,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,306.23 : 973,515.88 = 393,361.20 : x
  2. Step 2: Convert to fraction form
    650,306.23/973,515.88 = 393,361.20/x
  3. Step 3: Cross multiply
    650,306.23x = 973,515.88 × 393,361.20
  4. Step 4: Simplify right side
    650,306.23x = 382,943,375,113.36
  5. Step 5: Solve for x
    x = 382,943,375,113.36/650,306.23
  6. Step 6: Final answer
    x = 588,866.22

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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.