Home / 2,097,614.40-3,146,422.56-521,678.40

Finding the Fourth Proportional to 2,097,614.40, 3,146,422.56 and 521,678.40

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Solution

The fourth proportional to 2,097,614.40, 3,146,422.56 and 521,678.40 is: 782,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,614.40 : 3,146,422.56 = 521,678.40 : x
  2. Step 2: Convert to fraction form
    2,097,614.40/3,146,422.56 = 521,678.40/x
  3. Step 3: Cross multiply
    2,097,614.40x = 3,146,422.56 × 521,678.40
  4. Step 4: Simplify right side
    2,097,614.40x = 1,641,420,686,824.70
  5. Step 5: Solve for x
    x = 1,641,420,686,824.70/2,097,614.40
  6. Step 6: Final answer
    x = 782,517.84

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Double scale
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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.