Home / 1,790,819.80-2,686,229.70-528,645.40

Finding the Fourth Proportional to 1,790,819.80, 2,686,229.70 and 528,645.40

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Solution

The fourth proportional to 1,790,819.80, 2,686,229.70 and 528,645.40 is: 792,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,819.80 : 2,686,229.70 = 528,645.40 : x
  2. Step 2: Convert to fraction form
    1,790,819.80/2,686,229.70 = 528,645.40/x
  3. Step 3: Cross multiply
    1,790,819.80x = 2,686,229.70 × 528,645.40
  4. Step 4: Simplify right side
    1,790,819.80x = 1,420,062,974,248.38
  5. Step 5: Solve for x
    x = 1,420,062,974,248.38/1,790,819.80
  6. Step 6: Final answer
    x = 792,968.10

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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.