Home / 976,791.80-1,465,187.70-528,894.20

Finding the Fourth Proportional to 976,791.80, 1,465,187.70 and 528,894.20

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Solution

The fourth proportional to 976,791.80, 1,465,187.70 and 528,894.20 is: 793,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,791.80 : 1,465,187.70 = 528,894.20 : x
  2. Step 2: Convert to fraction form
    976,791.80/1,465,187.70 = 528,894.20/x
  3. Step 3: Cross multiply
    976,791.80x = 1,465,187.70 × 528,894.20
  4. Step 4: Simplify right side
    976,791.80x = 774,929,276,441.34
  5. Step 5: Solve for x
    x = 774,929,276,441.34/976,791.80
  6. Step 6: Final answer
    x = 793,341.30

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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.