Home / 1,259,882.56-1,889,830.95-313,253.38

Finding the Fourth Proportional to 1,259,882.56, 1,889,830.95 and 313,253.38

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Solution

The fourth proportional to 1,259,882.56, 1,889,830.95 and 313,253.38 is: 469,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,882.56 : 1,889,830.95 = 313,253.38 : x
  2. Step 2: Convert to fraction form
    1,259,882.56/1,889,830.95 = 313,253.38/x
  3. Step 3: Cross multiply
    1,259,882.56x = 1,889,830.95 × 313,253.38
  4. Step 4: Simplify right side
    1,259,882.56x = 591,995,932,716.11
  5. Step 5: Solve for x
    x = 591,995,932,716.11/1,259,882.56
  6. Step 6: Final answer
    x = 469,881.84

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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.