Home / 639,377.01-959,057.16-183,980.13

Finding the Fourth Proportional to 639,377.01, 959,057.16 and 183,980.13

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Solution

The fourth proportional to 639,377.01, 959,057.16 and 183,980.13 is: 275,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,377.01 : 959,057.16 = 183,980.13 : x
  2. Step 2: Convert to fraction form
    639,377.01/959,057.16 = 183,980.13/x
  3. Step 3: Cross multiply
    639,377.01x = 959,057.16 × 183,980.13
  4. Step 4: Simplify right side
    639,377.01x = 176,447,460,974.23
  5. Step 5: Solve for x
    x = 176,447,460,974.23/639,377.01
  6. Step 6: Final answer
    x = 275,967.79

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Double scale
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Similar ratio
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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.