Home / 1,143,934.80-1,578,819-634,801.20

Finding the Fourth Proportional to 1,143,934.80, 1,578,819 and 634,801.20

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Solution

The fourth proportional to 1,143,934.80, 1,578,819 and 634,801.20 is: 876,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,934.80 : 1,578,819 = 634,801.20 : x
  2. Step 2: Convert to fraction form
    1,143,934.80/1,578,819 = 634,801.20/x
  3. Step 3: Cross multiply
    1,143,934.80x = 1,578,819 × 634,801.20
  4. Step 4: Simplify right side
    1,143,934.80x = 1,002,236,195,782.80
  5. Step 5: Solve for x
    x = 1,002,236,195,782.80/1,143,934.80
  6. Step 6: Final answer
    x = 876,130.52

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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.