Home / 1,379,797.10-1,904,117.01-776,185.10

Finding the Fourth Proportional to 1,379,797.10, 1,904,117.01 and 776,185.10

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Solution

The fourth proportional to 1,379,797.10, 1,904,117.01 and 776,185.10 is: 1,071,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,797.10 : 1,904,117.01 = 776,185.10 : x
  2. Step 2: Convert to fraction form
    1,379,797.10/1,904,117.01 = 776,185.10/x
  3. Step 3: Cross multiply
    1,379,797.10x = 1,904,117.01 × 776,185.10
  4. Step 4: Simplify right side
    1,379,797.10x = 1,477,947,247,937.63
  5. Step 5: Solve for x
    x = 1,477,947,247,937.63/1,379,797.10
  6. Step 6: Final answer
    x = 1,071,133.75

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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.