Home / 639,143.02-958,550.49-189,759.62

Finding the Fourth Proportional to 639,143.02, 958,550.49 and 189,759.62

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Solution

The fourth proportional to 639,143.02, 958,550.49 and 189,759.62 is: 284,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,143.02 : 958,550.49 = 189,759.62 : x
  2. Step 2: Convert to fraction form
    639,143.02/958,550.49 = 189,759.62/x
  3. Step 3: Cross multiply
    639,143.02x = 958,550.49 × 189,759.62
  4. Step 4: Simplify right side
    639,143.02x = 181,894,176,733.21
  5. Step 5: Solve for x
    x = 181,894,176,733.21/639,143.02
  6. Step 6: Final answer
    x = 284,590.73

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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.