Home / 1,658,540.19-2,288,780.77-933,387.91

Finding the Fourth Proportional to 1,658,540.19, 2,288,780.77 and 933,387.91

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Solution

The fourth proportional to 1,658,540.19, 2,288,780.77 and 933,387.91 is: 1,288,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,540.19 : 2,288,780.77 = 933,387.91 : x
  2. Step 2: Convert to fraction form
    1,658,540.19/2,288,780.77 = 933,387.91/x
  3. Step 3: Cross multiply
    1,658,540.19x = 2,288,780.77 × 933,387.91
  4. Step 4: Simplify right side
    1,658,540.19x = 2,136,320,299,358.49
  5. Step 5: Solve for x
    x = 2,136,320,299,358.49/1,658,540.19
  6. Step 6: Final answer
    x = 1,288,072.68

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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.