Home / 1,761,034.20-2,641,551.30-919,390.20

Finding the Fourth Proportional to 1,761,034.20, 2,641,551.30 and 919,390.20

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Solution

The fourth proportional to 1,761,034.20, 2,641,551.30 and 919,390.20 is: 1,379,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,034.20 : 2,641,551.30 = 919,390.20 : x
  2. Step 2: Convert to fraction form
    1,761,034.20/2,641,551.30 = 919,390.20/x
  3. Step 3: Cross multiply
    1,761,034.20x = 2,641,551.30 × 919,390.20
  4. Step 4: Simplify right side
    1,761,034.20x = 2,428,616,378,017.26
  5. Step 5: Solve for x
    x = 2,428,616,378,017.26/1,761,034.20
  6. Step 6: Final answer
    x = 1,379,085.30

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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.