Home / 922,666.20-1,383,999.30-291,773.40

Finding the Fourth Proportional to 922,666.20, 1,383,999.30 and 291,773.40

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Solution

The fourth proportional to 922,666.20, 1,383,999.30 and 291,773.40 is: 437,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,666.20 : 1,383,999.30 = 291,773.40 : x
  2. Step 2: Convert to fraction form
    922,666.20/1,383,999.30 = 291,773.40/x
  3. Step 3: Cross multiply
    922,666.20x = 1,383,999.30 × 291,773.40
  4. Step 4: Simplify right side
    922,666.20x = 403,814,181,358.62
  5. Step 5: Solve for x
    x = 403,814,181,358.62/922,666.20
  6. Step 6: Final answer
    x = 437,660.10

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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.