Home / 1,186,618.03-1,780,010.06-587,418.30

Finding the Fourth Proportional to 1,186,618.03, 1,780,010.06 and 587,418.30

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Solution

The fourth proportional to 1,186,618.03, 1,780,010.06 and 587,418.30 is: 881,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,618.03 : 1,780,010.06 = 587,418.30 : x
  2. Step 2: Convert to fraction form
    1,186,618.03/1,780,010.06 = 587,418.30/x
  3. Step 3: Cross multiply
    1,186,618.03x = 1,780,010.06 × 587,418.30
  4. Step 4: Simplify right side
    1,186,618.03x = 1,045,610,483,428.10
  5. Step 5: Solve for x
    x = 1,045,610,483,428.10/1,186,618.03
  6. Step 6: Final answer
    x = 881,168.55

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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.