Home / 1,140,577.30-1,573,831.92-631,278.46

Finding the Fourth Proportional to 1,140,577.30, 1,573,831.92 and 631,278.46

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Solution

The fourth proportional to 1,140,577.30, 1,573,831.92 and 631,278.46 is: 871,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,577.30 : 1,573,831.92 = 631,278.46 : x
  2. Step 2: Convert to fraction form
    1,140,577.30/1,573,831.92 = 631,278.46/x
  3. Step 3: Cross multiply
    1,140,577.30x = 1,573,831.92 × 631,278.46
  4. Step 4: Simplify right side
    1,140,577.30x = 993,526,190,756.44
  5. Step 5: Solve for x
    x = 993,526,190,756.44/1,140,577.30
  6. Step 6: Final answer
    x = 871,073.09

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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.