Home / 1,259,266.87-1,888,715.78-619,398.87

Finding the Fourth Proportional to 1,259,266.87, 1,888,715.78 and 619,398.87

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Solution

The fourth proportional to 1,259,266.87, 1,888,715.78 and 619,398.87 is: 929,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,266.87 : 1,888,715.78 = 619,398.87 : x
  2. Step 2: Convert to fraction form
    1,259,266.87/1,888,715.78 = 619,398.87/x
  3. Step 3: Cross multiply
    1,259,266.87x = 1,888,715.78 × 619,398.87
  4. Step 4: Simplify right side
    1,259,266.87x = 1,169,868,412,026.24
  5. Step 5: Solve for x
    x = 1,169,868,412,026.24/1,259,266.87
  6. Step 6: Final answer
    x = 929,007.54

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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.