Home / 827,605.04-1,142,114.97-465,007.28

Finding the Fourth Proportional to 827,605.04, 1,142,114.97 and 465,007.28

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Solution

The fourth proportional to 827,605.04, 1,142,114.97 and 465,007.28 is: 641,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,605.04 : 1,142,114.97 = 465,007.28 : x
  2. Step 2: Convert to fraction form
    827,605.04/1,142,114.97 = 465,007.28/x
  3. Step 3: Cross multiply
    827,605.04x = 1,142,114.97 × 465,007.28
  4. Step 4: Simplify right side
    827,605.04x = 531,091,767,611.37
  5. Step 5: Solve for x
    x = 531,091,767,611.37/827,605.04
  6. Step 6: Final answer
    x = 641,721.28

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1.5x scale

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.