Home / 1,039,281.87-1,434,329.97-864,543.39

Finding the Fourth Proportional to 1,039,281.87, 1,434,329.97 and 864,543.39

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Solution

The fourth proportional to 1,039,281.87, 1,434,329.97 and 864,543.39 is: 1,193,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,281.87 : 1,434,329.97 = 864,543.39 : x
  2. Step 2: Convert to fraction form
    1,039,281.87/1,434,329.97 = 864,543.39/x
  3. Step 3: Cross multiply
    1,039,281.87x = 1,434,329.97 × 864,543.39
  4. Step 4: Simplify right side
    1,039,281.87x = 1,240,040,494,642.40
  5. Step 5: Solve for x
    x = 1,240,040,494,642.40/1,039,281.87
  6. Step 6: Final answer
    x = 1,193,170.53

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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.