Home / 1,085,661.39-1,498,281.27-626,860.65

Finding the Fourth Proportional to 1,085,661.39, 1,498,281.27 and 626,860.65

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Solution

The fourth proportional to 1,085,661.39, 1,498,281.27 and 626,860.65 is: 865,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,661.39 : 1,498,281.27 = 626,860.65 : x
  2. Step 2: Convert to fraction form
    1,085,661.39/1,498,281.27 = 626,860.65/x
  3. Step 3: Cross multiply
    1,085,661.39x = 1,498,281.27 × 626,860.65
  4. Step 4: Simplify right side
    1,085,661.39x = 939,213,570,795.03
  5. Step 5: Solve for x
    x = 939,213,570,795.03/1,085,661.39
  6. Step 6: Final answer
    x = 865,107.28

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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.