Home / 1,223,996.46-1,689,081.54-680,118.30

Finding the Fourth Proportional to 1,223,996.46, 1,689,081.54 and 680,118.30

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Solution

The fourth proportional to 1,223,996.46, 1,689,081.54 and 680,118.30 is: 938,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,996.46 : 1,689,081.54 = 680,118.30 : x
  2. Step 2: Convert to fraction form
    1,223,996.46/1,689,081.54 = 680,118.30/x
  3. Step 3: Cross multiply
    1,223,996.46x = 1,689,081.54 × 680,118.30
  4. Step 4: Simplify right side
    1,223,996.46x = 1,148,775,265,546.18
  5. Step 5: Solve for x
    x = 1,148,775,265,546.18/1,223,996.46
  6. Step 6: Final answer
    x = 938,544.60

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Double scale
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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.