Home / 1,225,634.04-1,691,477.16-681,872.28

Finding the Fourth Proportional to 1,225,634.04, 1,691,477.16 and 681,872.28

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Solution

The fourth proportional to 1,225,634.04, 1,691,477.16 and 681,872.28 is: 941,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,634.04 : 1,691,477.16 = 681,872.28 : x
  2. Step 2: Convert to fraction form
    1,225,634.04/1,691,477.16 = 681,872.28/x
  3. Step 3: Cross multiply
    1,225,634.04x = 1,691,477.16 × 681,872.28
  4. Step 4: Simplify right side
    1,225,634.04x = 1,153,371,387,657.12
  5. Step 5: Solve for x
    x = 1,153,371,387,657.12/1,225,634.04
  6. Step 6: Final answer
    x = 941,040.60

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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.