Home / 810,028.53-1,117,002.11-695,685.78

Finding the Fourth Proportional to 810,028.53, 1,117,002.11 and 695,685.78

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Solution

The fourth proportional to 810,028.53, 1,117,002.11 and 695,685.78 is: 959,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,028.53 : 1,117,002.11 = 695,685.78 : x
  2. Step 2: Convert to fraction form
    810,028.53/1,117,002.11 = 695,685.78/x
  3. Step 3: Cross multiply
    810,028.53x = 1,117,002.11 × 695,685.78
  4. Step 4: Simplify right side
    810,028.53x = 777,082,480,678.57
  5. Step 5: Solve for x
    x = 777,082,480,678.57/810,028.53
  6. Step 6: Final answer
    x = 959,327.30

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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.