Home / 916,532.80-1,372,034.40-805,940.80

Finding the Fourth Proportional to 916,532.80, 1,372,034.40 and 805,940.80

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Solution

The fourth proportional to 916,532.80, 1,372,034.40 and 805,940.80 is: 1,206,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,532.80 : 1,372,034.40 = 805,940.80 : x
  2. Step 2: Convert to fraction form
    916,532.80/1,372,034.40 = 805,940.80/x
  3. Step 3: Cross multiply
    916,532.80x = 1,372,034.40 × 805,940.80
  4. Step 4: Simplify right side
    916,532.80x = 1,105,778,501,963.52
  5. Step 5: Solve for x
    x = 1,105,778,501,963.52/916,532.80
  6. Step 6: Final answer
    x = 1,206,480.01

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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.