Home / 1,225,369.80-1,691,056.98-681,544.91

Finding the Fourth Proportional to 1,225,369.80, 1,691,056.98 and 681,544.91

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Solution

The fourth proportional to 1,225,369.80, 1,691,056.98 and 681,544.91 is: 940,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,369.80 : 1,691,056.98 = 681,544.91 : x
  2. Step 2: Convert to fraction form
    1,225,369.80/1,691,056.98 = 681,544.91/x
  3. Step 3: Cross multiply
    1,225,369.80x = 1,691,056.98 × 681,544.91
  4. Step 4: Simplify right side
    1,225,369.80x = 1,152,531,281,466.61
  5. Step 5: Solve for x
    x = 1,152,531,281,466.61/1,225,369.80
  6. Step 6: Final answer
    x = 940,557.93

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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.