Home / 626,501.40-939,752.10-227,141.70

Finding the Fourth Proportional to 626,501.40, 939,752.10 and 227,141.70

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Solution

The fourth proportional to 626,501.40, 939,752.10 and 227,141.70 is: 340,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,501.40 : 939,752.10 = 227,141.70 : x
  2. Step 2: Convert to fraction form
    626,501.40/939,752.10 = 227,141.70/x
  3. Step 3: Cross multiply
    626,501.40x = 939,752.10 × 227,141.70
  4. Step 4: Simplify right side
    626,501.40x = 213,456,889,572.57
  5. Step 5: Solve for x
    x = 213,456,889,572.57/626,501.40
  6. Step 6: Final answer
    x = 340,712.55

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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.