Home / 563,615.40-845,538.30-189,676.20

Finding the Fourth Proportional to 563,615.40, 845,538.30 and 189,676.20

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Solution

The fourth proportional to 563,615.40, 845,538.30 and 189,676.20 is: 284,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,615.40 : 845,538.30 = 189,676.20 : x
  2. Step 2: Convert to fraction form
    563,615.40/845,538.30 = 189,676.20/x
  3. Step 3: Cross multiply
    563,615.40x = 845,538.30 × 189,676.20
  4. Step 4: Simplify right side
    563,615.40x = 160,378,491,698.46
  5. Step 5: Solve for x
    x = 160,378,491,698.46/563,615.40
  6. Step 6: Final answer
    x = 284,553.07

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1.5x scale

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.