Home / 1,154,638.41-1,593,373.46-645,388.17

Finding the Fourth Proportional to 1,154,638.41, 1,593,373.46 and 645,388.17

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Solution

The fourth proportional to 1,154,638.41, 1,593,373.46 and 645,388.17 is: 890,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,638.41 : 1,593,373.46 = 645,388.17 : x
  2. Step 2: Convert to fraction form
    1,154,638.41/1,593,373.46 = 645,388.17/x
  3. Step 3: Cross multiply
    1,154,638.41x = 1,593,373.46 × 645,388.17
  4. Step 4: Simplify right side
    1,154,638.41x = 1,028,344,378,249.03
  5. Step 5: Solve for x
    x = 1,028,344,378,249.03/1,154,638.41
  6. Step 6: Final answer
    x = 890,620.28

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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.