Home / 867,551.33-1,197,220.50-485,578.11

Finding the Fourth Proportional to 867,551.33, 1,197,220.50 and 485,578.11

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Solution

The fourth proportional to 867,551.33, 1,197,220.50 and 485,578.11 is: 670,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,551.33 : 1,197,220.50 = 485,578.11 : x
  2. Step 2: Convert to fraction form
    867,551.33/1,197,220.50 = 485,578.11/x
  3. Step 3: Cross multiply
    867,551.33x = 1,197,220.50 × 485,578.11
  4. Step 4: Simplify right side
    867,551.33x = 581,344,065,398.47
  5. Step 5: Solve for x
    x = 581,344,065,398.47/867,551.33
  6. Step 6: Final answer
    x = 670,097.60

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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.