Home / 639,254.66-958,986.03-239,926.82

Finding the Fourth Proportional to 639,254.66, 958,986.03 and 239,926.82

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Solution

The fourth proportional to 639,254.66, 958,986.03 and 239,926.82 is: 359,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,254.66 : 958,986.03 = 239,926.82 : x
  2. Step 2: Convert to fraction form
    639,254.66/958,986.03 = 239,926.82/x
  3. Step 3: Cross multiply
    639,254.66x = 958,986.03 × 239,926.82
  4. Step 4: Simplify right side
    639,254.66x = 230,086,468,602.33
  5. Step 5: Solve for x
    x = 230,086,468,602.33/639,254.66
  6. Step 6: Final answer
    x = 359,929.28

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Double scale
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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.