Home / 1,021,909.83-1,410,168.09-613,769.16

Finding the Fourth Proportional to 1,021,909.83, 1,410,168.09 and 613,769.16

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Solution

The fourth proportional to 1,021,909.83, 1,410,168.09 and 613,769.16 is: 846,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,909.83 : 1,410,168.09 = 613,769.16 : x
  2. Step 2: Convert to fraction form
    1,021,909.83/1,410,168.09 = 613,769.16/x
  3. Step 3: Cross multiply
    1,021,909.83x = 1,410,168.09 × 613,769.16
  4. Step 4: Simplify right side
    1,021,909.83x = 865,517,684,058.11
  5. Step 5: Solve for x
    x = 865,517,684,058.11/1,021,909.83
  6. Step 6: Final answer
    x = 846,960.91

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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.