Home / 1,376,970.18-1,899,629.42-859,826.28

Finding the Fourth Proportional to 1,376,970.18, 1,899,629.42 and 859,826.28

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Solution

The fourth proportional to 1,376,970.18, 1,899,629.42 and 859,826.28 is: 1,186,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,970.18 : 1,899,629.42 = 859,826.28 : x
  2. Step 2: Convert to fraction form
    1,376,970.18/1,899,629.42 = 859,826.28/x
  3. Step 3: Cross multiply
    1,376,970.18x = 1,899,629.42 × 859,826.28
  4. Step 4: Simplify right side
    1,376,970.18x = 1,633,351,297,577.16
  5. Step 5: Solve for x
    x = 1,633,351,297,577.16/1,376,970.18
  6. Step 6: Final answer
    x = 1,186,192.21

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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.