Home / 1,283,863.20-1,771,709.57-710,891.07

Finding the Fourth Proportional to 1,283,863.20, 1,771,709.57 and 710,891.07

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Solution

The fourth proportional to 1,283,863.20, 1,771,709.57 and 710,891.07 is: 981,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,863.20 : 1,771,709.57 = 710,891.07 : x
  2. Step 2: Convert to fraction form
    1,283,863.20/1,771,709.57 = 710,891.07/x
  3. Step 3: Cross multiply
    1,283,863.20x = 1,771,709.57 × 710,891.07
  4. Step 4: Simplify right side
    1,283,863.20x = 1,259,492,508,412.78
  5. Step 5: Solve for x
    x = 1,259,492,508,412.78/1,283,863.20
  6. Step 6: Final answer
    x = 981,017.69

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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.