Home / 1,255,541.30-1,880,201.55-805,570.10

Finding the Fourth Proportional to 1,255,541.30, 1,880,201.55 and 805,570.10

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Solution

The fourth proportional to 1,255,541.30, 1,880,201.55 and 805,570.10 is: 1,206,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,541.30 : 1,880,201.55 = 805,570.10 : x
  2. Step 2: Convert to fraction form
    1,255,541.30/1,880,201.55 = 805,570.10/x
  3. Step 3: Cross multiply
    1,255,541.30x = 1,880,201.55 × 805,570.10
  4. Step 4: Simplify right side
    1,255,541.30x = 1,514,634,150,653.66
  5. Step 5: Solve for x
    x = 1,514,634,150,653.66/1,255,541.30
  6. Step 6: Final answer
    x = 1,206,359.48

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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.