Home / 1,053,993.88-1,454,521.57-618,418.63

Finding the Fourth Proportional to 1,053,993.88, 1,454,521.57 and 618,418.63

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Solution

The fourth proportional to 1,053,993.88, 1,454,521.57 and 618,418.63 is: 853,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,993.88 : 1,454,521.57 = 618,418.63 : x
  2. Step 2: Convert to fraction form
    1,053,993.88/1,454,521.57 = 618,418.63/x
  3. Step 3: Cross multiply
    1,053,993.88x = 1,454,521.57 × 618,418.63
  4. Step 4: Simplify right side
    1,053,993.88x = 899,503,239,934.56
  5. Step 5: Solve for x
    x = 899,503,239,934.56/1,053,993.88
  6. Step 6: Final answer
    x = 853,423.59

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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.