Home / 1,776,266.10-2,663,332.02-815,519.43

Finding the Fourth Proportional to 1,776,266.10, 2,663,332.02 and 815,519.43

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Solution

The fourth proportional to 1,776,266.10, 2,663,332.02 and 815,519.43 is: 1,222,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,266.10 : 2,663,332.02 = 815,519.43 : x
  2. Step 2: Convert to fraction form
    1,776,266.10/2,663,332.02 = 815,519.43/x
  3. Step 3: Cross multiply
    1,776,266.10x = 2,663,332.02 × 815,519.43
  4. Step 4: Simplify right side
    1,776,266.10x = 2,171,999,010,851.15
  5. Step 5: Solve for x
    x = 2,171,999,010,851.15/1,776,266.10
  6. Step 6: Final answer
    x = 1,222,789.20

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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.