Home / 453,157.20-679,154.31-382,907.07

Finding the Fourth Proportional to 453,157.20, 679,154.31 and 382,907.07

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Solution

The fourth proportional to 453,157.20, 679,154.31 and 382,907.07 is: 573,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,157.20 : 679,154.31 = 382,907.07 : x
  2. Step 2: Convert to fraction form
    453,157.20/679,154.31 = 382,907.07/x
  3. Step 3: Cross multiply
    453,157.20x = 679,154.31 × 382,907.07
  4. Step 4: Simplify right side
    453,157.20x = 260,052,986,919.97
  5. Step 5: Solve for x
    x = 260,052,986,919.97/453,157.20
  6. Step 6: Final answer
    x = 573,869.26

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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.