Home / 867,513.69-1,197,168.75-485,540.46

Finding the Fourth Proportional to 867,513.69, 1,197,168.75 and 485,540.46

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Solution

The fourth proportional to 867,513.69, 1,197,168.75 and 485,540.46 is: 670,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,513.69 : 1,197,168.75 = 485,540.46 : x
  2. Step 2: Convert to fraction form
    867,513.69/1,197,168.75 = 485,540.46/x
  3. Step 3: Cross multiply
    867,513.69x = 1,197,168.75 × 485,540.46
  4. Step 4: Simplify right side
    867,513.69x = 581,273,865,572.63
  5. Step 5: Solve for x
    x = 581,273,865,572.63/867,513.69
  6. Step 6: Final answer
    x = 670,045.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.