Home / 807,076.53-1,105,699.66-776,808.45

Finding the Fourth Proportional to 807,076.53, 1,105,699.66 and 776,808.45

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Solution

The fourth proportional to 807,076.53, 1,105,699.66 and 776,808.45 is: 1,064,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,076.53 : 1,105,699.66 = 776,808.45 : x
  2. Step 2: Convert to fraction form
    807,076.53/1,105,699.66 = 776,808.45/x
  3. Step 3: Cross multiply
    807,076.53x = 1,105,699.66 × 776,808.45
  4. Step 4: Simplify right side
    807,076.53x = 858,916,837,108.11
  5. Step 5: Solve for x
    x = 858,916,837,108.11/807,076.53
  6. Step 6: Final answer
    x = 1,064,232.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.