Home / 1,140,825.70-1,574,351.13-631,517.14

Finding the Fourth Proportional to 1,140,825.70, 1,574,351.13 and 631,517.14

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Solution

The fourth proportional to 1,140,825.70, 1,574,351.13 and 631,517.14 is: 871,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,825.70 : 1,574,351.13 = 631,517.14 : x
  2. Step 2: Convert to fraction form
    1,140,825.70/1,574,351.13 = 631,517.14/x
  3. Step 3: Cross multiply
    1,140,825.70x = 1,574,351.13 × 631,517.14
  4. Step 4: Simplify right side
    1,140,825.70x = 994,229,722,973.37
  5. Step 5: Solve for x
    x = 994,229,722,973.37/1,140,825.70
  6. Step 6: Final answer
    x = 871,500.11

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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.