Home / 1,151,042.16-1,588,439.16-641,734.32

Finding the Fourth Proportional to 1,151,042.16, 1,588,439.16 and 641,734.32

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Solution

The fourth proportional to 1,151,042.16, 1,588,439.16 and 641,734.32 is: 885,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,042.16 : 1,588,439.16 = 641,734.32 : x
  2. Step 2: Convert to fraction form
    1,151,042.16/1,588,439.16 = 641,734.32/x
  3. Step 3: Cross multiply
    1,151,042.16x = 1,588,439.16 × 641,734.32
  4. Step 4: Simplify right side
    1,151,042.16x = 1,019,355,924,203.97
  5. Step 5: Solve for x
    x = 1,019,355,924,203.97/1,151,042.16
  6. Step 6: Final answer
    x = 885,593.91

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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.