Home / 1,091,570.90-1,635,801.15-805,025.30

Finding the Fourth Proportional to 1,091,570.90, 1,635,801.15 and 805,025.30

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Solution

The fourth proportional to 1,091,570.90, 1,635,801.15 and 805,025.30 is: 1,206,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,570.90 : 1,635,801.15 = 805,025.30 : x
  2. Step 2: Convert to fraction form
    1,091,570.90/1,635,801.15 = 805,025.30/x
  3. Step 3: Cross multiply
    1,091,570.90x = 1,635,801.15 × 805,025.30
  4. Step 4: Simplify right side
    1,091,570.90x = 1,316,861,311,519.10
  5. Step 5: Solve for x
    x = 1,316,861,311,519.10/1,091,570.90
  6. Step 6: Final answer
    x = 1,206,391.00

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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.