Home / 1,154,669.17-1,593,418.53-638,403.22

Finding the Fourth Proportional to 1,154,669.17, 1,593,418.53 and 638,403.22

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Solution

The fourth proportional to 1,154,669.17, 1,593,418.53 and 638,403.22 is: 880,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,669.17 : 1,593,418.53 = 638,403.22 : x
  2. Step 2: Convert to fraction form
    1,154,669.17/1,593,418.53 = 638,403.22/x
  3. Step 3: Cross multiply
    1,154,669.17x = 1,593,418.53 × 638,403.22
  4. Step 4: Simplify right side
    1,154,669.17x = 1,017,243,517,167.65
  5. Step 5: Solve for x
    x = 1,017,243,517,167.65/1,154,669.17
  6. Step 6: Final answer
    x = 880,982.66

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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.