Home / 914,791.80-1,372,187.70-616,193.40

Finding the Fourth Proportional to 914,791.80, 1,372,187.70 and 616,193.40

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Solution

The fourth proportional to 914,791.80, 1,372,187.70 and 616,193.40 is: 924,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,791.80 : 1,372,187.70 = 616,193.40 : x
  2. Step 2: Convert to fraction form
    914,791.80/1,372,187.70 = 616,193.40/x
  3. Step 3: Cross multiply
    914,791.80x = 1,372,187.70 × 616,193.40
  4. Step 4: Simplify right side
    914,791.80x = 845,533,004,301.18
  5. Step 5: Solve for x
    x = 845,533,004,301.18/914,791.80
  6. Step 6: Final answer
    x = 924,290.10

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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.