Home / 1,154,682.82-1,593,398.01-638,406.84

Finding the Fourth Proportional to 1,154,682.82, 1,593,398.01 and 638,406.84

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Solution

The fourth proportional to 1,154,682.82, 1,593,398.01 and 638,406.84 is: 880,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,682.82 : 1,593,398.01 = 638,406.84 : x
  2. Step 2: Convert to fraction form
    1,154,682.82/1,593,398.01 = 638,406.84/x
  3. Step 3: Cross multiply
    1,154,682.82x = 1,593,398.01 × 638,406.84
  4. Step 4: Simplify right side
    1,154,682.82x = 1,017,236,196,795.66
  5. Step 5: Solve for x
    x = 1,017,236,196,795.66/1,154,682.82
  6. Step 6: Final answer
    x = 880,965.91

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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.