Home / 1,561,966.60-2,341,200.30-663,255.40

Finding the Fourth Proportional to 1,561,966.60, 2,341,200.30 and 663,255.40

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Solution

The fourth proportional to 1,561,966.60, 2,341,200.30 and 663,255.40 is: 994,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,966.60 : 2,341,200.30 = 663,255.40 : x
  2. Step 2: Convert to fraction form
    1,561,966.60/2,341,200.30 = 663,255.40/x
  3. Step 3: Cross multiply
    1,561,966.60x = 2,341,200.30 × 663,255.40
  4. Step 4: Simplify right side
    1,561,966.60x = 1,552,813,741,456.62
  5. Step 5: Solve for x
    x = 1,552,813,741,456.62/1,561,966.60
  6. Step 6: Final answer
    x = 994,140.17

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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.