Home / 1,087,514.39-1,628,788.05-519,295.47

Finding the Fourth Proportional to 1,087,514.39, 1,628,788.05 and 519,295.47

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Solution

The fourth proportional to 1,087,514.39, 1,628,788.05 and 519,295.47 is: 777,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,514.39 : 1,628,788.05 = 519,295.47 : x
  2. Step 2: Convert to fraction form
    1,087,514.39/1,628,788.05 = 519,295.47/x
  3. Step 3: Cross multiply
    1,087,514.39x = 1,628,788.05 × 519,295.47
  4. Step 4: Simplify right side
    1,087,514.39x = 845,822,255,955.13
  5. Step 5: Solve for x
    x = 845,822,255,955.13/1,087,514.39
  6. Step 6: Final answer
    x = 777,757.30

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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.