Home / 1,092,111.10-1,638,166.65-619,719.10

Finding the Fourth Proportional to 1,092,111.10, 1,638,166.65 and 619,719.10

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Solution

The fourth proportional to 1,092,111.10, 1,638,166.65 and 619,719.10 is: 929,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,111.10 : 1,638,166.65 = 619,719.10 : x
  2. Step 2: Convert to fraction form
    1,092,111.10/1,638,166.65 = 619,719.10/x
  3. Step 3: Cross multiply
    1,092,111.10x = 1,638,166.65 × 619,719.10
  4. Step 4: Simplify right side
    1,092,111.10x = 1,015,203,161,988.01
  5. Step 5: Solve for x
    x = 1,015,203,161,988.01/1,092,111.10
  6. Step 6: Final answer
    x = 929,578.65

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Similar ratio
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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.