Home / 542,977.72-814,583.61-163,866.74

Finding the Fourth Proportional to 542,977.72, 814,583.61 and 163,866.74

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Solution

The fourth proportional to 542,977.72, 814,583.61 and 163,866.74 is: 245,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,977.72 : 814,583.61 = 163,866.74 : x
  2. Step 2: Convert to fraction form
    542,977.72/814,583.61 = 163,866.74/x
  3. Step 3: Cross multiply
    542,977.72x = 814,583.61 × 163,866.74
  4. Step 4: Simplify right side
    542,977.72x = 133,483,156,555.21
  5. Step 5: Solve for x
    x = 133,483,156,555.21/542,977.72
  6. Step 6: Final answer
    x = 245,835.42

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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.