Home / 1,321,151.16-1,823,192.13-777,307.44

Finding the Fourth Proportional to 1,321,151.16, 1,823,192.13 and 777,307.44

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Solution

The fourth proportional to 1,321,151.16, 1,823,192.13 and 777,307.44 is: 1,072,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,151.16 : 1,823,192.13 = 777,307.44 : x
  2. Step 2: Convert to fraction form
    1,321,151.16/1,823,192.13 = 777,307.44/x
  3. Step 3: Cross multiply
    1,321,151.16x = 1,823,192.13 × 777,307.44
  4. Step 4: Simplify right side
    1,321,151.16x = 1,417,180,807,198.45
  5. Step 5: Solve for x
    x = 1,417,180,807,198.45/1,321,151.16
  6. Step 6: Final answer
    x = 1,072,686.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.