Home / 563,719.40-845,694.30-189,780.20

Finding the Fourth Proportional to 563,719.40, 845,694.30 and 189,780.20

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Solution

The fourth proportional to 563,719.40, 845,694.30 and 189,780.20 is: 284,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,719.40 : 845,694.30 = 189,780.20 : x
  2. Step 2: Convert to fraction form
    563,719.40/845,694.30 = 189,780.20/x
  3. Step 3: Cross multiply
    563,719.40x = 845,694.30 × 189,780.20
  4. Step 4: Simplify right side
    563,719.40x = 160,496,033,392.86
  5. Step 5: Solve for x
    x = 160,496,033,392.86/563,719.40
  6. Step 6: Final answer
    x = 284,709.08

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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.