Home / 626,623.66-939,643.89-227,248.30

Finding the Fourth Proportional to 626,623.66, 939,643.89 and 227,248.30

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Solution

The fourth proportional to 626,623.66, 939,643.89 and 227,248.30 is: 340,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,623.66 : 939,643.89 = 227,248.30 : x
  2. Step 2: Convert to fraction form
    626,623.66/939,643.89 = 227,248.30/x
  3. Step 3: Cross multiply
    626,623.66x = 939,643.89 × 227,248.30
  4. Step 4: Simplify right side
    626,623.66x = 213,532,476,607.89
  5. Step 5: Solve for x
    x = 213,532,476,607.89/626,623.66
  6. Step 6: Final answer
    x = 340,766.70

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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.