Home / 1,091,551.40-1,635,771.90-805,005.80

Finding the Fourth Proportional to 1,091,551.40, 1,635,771.90 and 805,005.80

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Solution

The fourth proportional to 1,091,551.40, 1,635,771.90 and 805,005.80 is: 1,206,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,551.40 : 1,635,771.90 = 805,005.80 : x
  2. Step 2: Convert to fraction form
    1,091,551.40/1,635,771.90 = 805,005.80/x
  3. Step 3: Cross multiply
    1,091,551.40x = 1,635,771.90 × 805,005.80
  4. Step 4: Simplify right side
    1,091,551.40x = 1,316,805,866,977.02
  5. Step 5: Solve for x
    x = 1,316,805,866,977.02/1,091,551.40
  6. Step 6: Final answer
    x = 1,206,361.76

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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.