Home / 1,071,546.30-1,607,381.01-388,581.84

Finding the Fourth Proportional to 1,071,546.30, 1,607,381.01 and 388,581.84

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Solution

The fourth proportional to 1,071,546.30, 1,607,381.01 and 388,581.84 is: 582,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,546.30 : 1,607,381.01 = 388,581.84 : x
  2. Step 2: Convert to fraction form
    1,071,546.30/1,607,381.01 = 388,581.84/x
  3. Step 3: Cross multiply
    1,071,546.30x = 1,607,381.01 × 388,581.84
  4. Step 4: Simplify right side
    1,071,546.30x = 624,599,070,446.86
  5. Step 5: Solve for x
    x = 624,599,070,446.86/1,071,546.30
  6. Step 6: Final answer
    x = 582,895.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.