Home / 783,908.70-1,174,113.45-605,838.30

Finding the Fourth Proportional to 783,908.70, 1,174,113.45 and 605,838.30

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Solution

The fourth proportional to 783,908.70, 1,174,113.45 and 605,838.30 is: 907,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,908.70 : 1,174,113.45 = 605,838.30 : x
  2. Step 2: Convert to fraction form
    783,908.70/1,174,113.45 = 605,838.30/x
  3. Step 3: Cross multiply
    783,908.70x = 1,174,113.45 × 605,838.30
  4. Step 4: Simplify right side
    783,908.70x = 711,322,896,555.14
  5. Step 5: Solve for x
    x = 711,322,896,555.14/783,908.70
  6. Step 6: Final answer
    x = 907,405.28

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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.