Home / 626,487.98-939,521.36-227,045.12

Finding the Fourth Proportional to 626,487.98, 939,521.36 and 227,045.12

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Solution

The fourth proportional to 626,487.98, 939,521.36 and 227,045.12 is: 340,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,487.98 : 939,521.36 = 227,045.12 : x
  2. Step 2: Convert to fraction form
    626,487.98/939,521.36 = 227,045.12/x
  3. Step 3: Cross multiply
    626,487.98x = 939,521.36 × 227,045.12
  4. Step 4: Simplify right side
    626,487.98x = 213,313,739,923.76
  5. Step 5: Solve for x
    x = 213,313,739,923.76/626,487.98
  6. Step 6: Final answer
    x = 340,491.35

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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.