Home / 739,769.04-1,020,887.82-400,244.04

Finding the Fourth Proportional to 739,769.04, 1,020,887.82 and 400,244.04

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Solution

The fourth proportional to 739,769.04, 1,020,887.82 and 400,244.04 is: 552,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,769.04 : 1,020,887.82 = 400,244.04 : x
  2. Step 2: Convert to fraction form
    739,769.04/1,020,887.82 = 400,244.04/x
  3. Step 3: Cross multiply
    739,769.04x = 1,020,887.82 × 400,244.04
  4. Step 4: Simplify right side
    739,769.04x = 408,604,265,463.59
  5. Step 5: Solve for x
    x = 408,604,265,463.59/739,769.04
  6. Step 6: Final answer
    x = 552,340.32

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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.