Home / 382,501.16-527,841.02-208,065.57

Finding the Fourth Proportional to 382,501.16, 527,841.02 and 208,065.57

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Solution

The fourth proportional to 382,501.16, 527,841.02 and 208,065.57 is: 287,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,501.16 : 527,841.02 = 208,065.57 : x
  2. Step 2: Convert to fraction form
    382,501.16/527,841.02 = 208,065.57/x
  3. Step 3: Cross multiply
    382,501.16x = 527,841.02 × 208,065.57
  4. Step 4: Simplify right side
    382,501.16x = 109,825,542,695.68
  5. Step 5: Solve for x
    x = 109,825,542,695.68/382,501.16
  6. Step 6: Final answer
    x = 287,124.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.