Home / 1,081,617.74-1,492,832.16-694,916.57

Finding the Fourth Proportional to 1,081,617.74, 1,492,832.16 and 694,916.57

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Solution

The fourth proportional to 1,081,617.74, 1,492,832.16 and 694,916.57 is: 959,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,617.74 : 1,492,832.16 = 694,916.57 : x
  2. Step 2: Convert to fraction form
    1,081,617.74/1,492,832.16 = 694,916.57/x
  3. Step 3: Cross multiply
    1,081,617.74x = 1,492,832.16 × 694,916.57
  4. Step 4: Simplify right side
    1,081,617.74x = 1,037,393,796,748.73
  5. Step 5: Solve for x
    x = 1,037,393,796,748.73/1,081,617.74
  6. Step 6: Final answer
    x = 959,113.15

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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.