Home / 1,091,566.40-1,635,794.40-805,020.80

Finding the Fourth Proportional to 1,091,566.40, 1,635,794.40 and 805,020.80

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Solution

The fourth proportional to 1,091,566.40, 1,635,794.40 and 805,020.80 is: 1,206,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,566.40 : 1,635,794.40 = 805,020.80 : x
  2. Step 2: Convert to fraction form
    1,091,566.40/1,635,794.40 = 805,020.80/x
  3. Step 3: Cross multiply
    1,091,566.40x = 1,635,794.40 × 805,020.80
  4. Step 4: Simplify right side
    1,091,566.40x = 1,316,848,516,523.52
  5. Step 5: Solve for x
    x = 1,316,848,516,523.52/1,091,566.40
  6. Step 6: Final answer
    x = 1,206,384.25

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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.