Home / 922,986.80-1,384,350.60-291,964.40

Finding the Fourth Proportional to 922,986.80, 1,384,350.60 and 291,964.40

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Solution

The fourth proportional to 922,986.80, 1,384,350.60 and 291,964.40 is: 437,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,986.80 : 1,384,350.60 = 291,964.40 : x
  2. Step 2: Convert to fraction form
    922,986.80/1,384,350.60 = 291,964.40/x
  3. Step 3: Cross multiply
    922,986.80x = 1,384,350.60 × 291,964.40
  4. Step 4: Simplify right side
    922,986.80x = 404,181,092,318.64
  5. Step 5: Solve for x
    x = 404,181,092,318.64/922,986.80
  6. Step 6: Final answer
    x = 437,905.60

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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.