Home / 822,234.20-1,233,351.30-402,330.20

Finding the Fourth Proportional to 822,234.20, 1,233,351.30 and 402,330.20

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Solution

The fourth proportional to 822,234.20, 1,233,351.30 and 402,330.20 is: 603,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,234.20 : 1,233,351.30 = 402,330.20 : x
  2. Step 2: Convert to fraction form
    822,234.20/1,233,351.30 = 402,330.20/x
  3. Step 3: Cross multiply
    822,234.20x = 1,233,351.30 × 402,330.20
  4. Step 4: Simplify right side
    822,234.20x = 496,214,475,199.26
  5. Step 5: Solve for x
    x = 496,214,475,199.26/822,234.20
  6. Step 6: Final answer
    x = 603,495.30

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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.