Home / 1,665,866.40-2,298,892.80-901,920

Finding the Fourth Proportional to 1,665,866.40, 2,298,892.80 and 901,920

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Solution

The fourth proportional to 1,665,866.40, 2,298,892.80 and 901,920 is: 1,244,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,866.40 : 2,298,892.80 = 901,920 : x
  2. Step 2: Convert to fraction form
    1,665,866.40/2,298,892.80 = 901,920/x
  3. Step 3: Cross multiply
    1,665,866.40x = 2,298,892.80 × 901,920
  4. Step 4: Simplify right side
    1,665,866.40x = 2,073,417,394,176.00
  5. Step 5: Solve for x
    x = 2,073,417,394,176.00/1,665,866.40
  6. Step 6: Final answer
    x = 1,244,648.07

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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.