Home / 1,186,085.80-1,777,962.30-587,139.40

Finding the Fourth Proportional to 1,186,085.80, 1,777,962.30 and 587,139.40

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Solution

The fourth proportional to 1,186,085.80, 1,777,962.30 and 587,139.40 is: 880,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,085.80 : 1,777,962.30 = 587,139.40 : x
  2. Step 2: Convert to fraction form
    1,186,085.80/1,777,962.30 = 587,139.40/x
  3. Step 3: Cross multiply
    1,186,085.80x = 1,777,962.30 × 587,139.40
  4. Step 4: Simplify right side
    1,186,085.80x = 1,043,911,718,044.62
  5. Step 5: Solve for x
    x = 1,043,911,718,044.62/1,186,085.80
  6. Step 6: Final answer
    x = 880,131.71

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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.