Home / 626,848.60-940,424.10-206,102.20

Finding the Fourth Proportional to 626,848.60, 940,424.10 and 206,102.20

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Solution

The fourth proportional to 626,848.60, 940,424.10 and 206,102.20 is: 309,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,848.60 : 940,424.10 = 206,102.20 : x
  2. Step 2: Convert to fraction form
    626,848.60/940,424.10 = 206,102.20/x
  3. Step 3: Cross multiply
    626,848.60x = 940,424.10 × 206,102.20
  4. Step 4: Simplify right side
    626,848.60x = 193,823,475,943.02
  5. Step 5: Solve for x
    x = 193,823,475,943.02/626,848.60
  6. Step 6: Final answer
    x = 309,203.01

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Half scale
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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.