Home / 1,661,543.70-2,492,315.55-539,726.10

Finding the Fourth Proportional to 1,661,543.70, 2,492,315.55 and 539,726.10

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Solution

The fourth proportional to 1,661,543.70, 2,492,315.55 and 539,726.10 is: 809,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,543.70 : 2,492,315.55 = 539,726.10 : x
  2. Step 2: Convert to fraction form
    1,661,543.70/2,492,315.55 = 539,726.10/x
  3. Step 3: Cross multiply
    1,661,543.70x = 2,492,315.55 × 539,726.10
  4. Step 4: Simplify right side
    1,661,543.70x = 1,345,167,751,770.85
  5. Step 5: Solve for x
    x = 1,345,167,751,770.85/1,661,543.70
  6. Step 6: Final answer
    x = 809,589.15

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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.