Home / 1,227,969.18-1,842,593.40-928,361.25

Finding the Fourth Proportional to 1,227,969.18, 1,842,593.40 and 928,361.25

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Solution

The fourth proportional to 1,227,969.18, 1,842,593.40 and 928,361.25 is: 1,393,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,969.18 : 1,842,593.40 = 928,361.25 : x
  2. Step 2: Convert to fraction form
    1,227,969.18/1,842,593.40 = 928,361.25/x
  3. Step 3: Cross multiply
    1,227,969.18x = 1,842,593.40 × 928,361.25
  4. Step 4: Simplify right side
    1,227,969.18x = 1,710,592,312,065.75
  5. Step 5: Solve for x
    x = 1,710,592,312,065.75/1,227,969.18
  6. Step 6: Final answer
    x = 1,393,025.44

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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.