Home / 1,625,884.60-2,243,690.40-981,331.96

Finding the Fourth Proportional to 1,625,884.60, 2,243,690.40 and 981,331.96

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Solution

The fourth proportional to 1,625,884.60, 2,243,690.40 and 981,331.96 is: 1,354,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,884.60 : 2,243,690.40 = 981,331.96 : x
  2. Step 2: Convert to fraction form
    1,625,884.60/2,243,690.40 = 981,331.96/x
  3. Step 3: Cross multiply
    1,625,884.60x = 2,243,690.40 × 981,331.96
  4. Step 4: Simplify right side
    1,625,884.60x = 2,201,805,097,865.18
  5. Step 5: Solve for x
    x = 2,201,805,097,865.18/1,625,884.60
  6. Step 6: Final answer
    x = 1,354,219.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.