Home / 389,324.58-583,985.79-93,836.58

Finding the Fourth Proportional to 389,324.58, 583,985.79 and 93,836.58

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Solution

The fourth proportional to 389,324.58, 583,985.79 and 93,836.58 is: 140,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,324.58 : 583,985.79 = 93,836.58 : x
  2. Step 2: Convert to fraction form
    389,324.58/583,985.79 = 93,836.58/x
  3. Step 3: Cross multiply
    389,324.58x = 583,985.79 × 93,836.58
  4. Step 4: Simplify right side
    389,324.58x = 54,799,229,302.20
  5. Step 5: Solve for x
    x = 54,799,229,302.20/389,324.58
  6. Step 6: Final answer
    x = 140,754.61

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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.