Home / 783,846.54-1,175,643.95-215,094.81

Finding the Fourth Proportional to 783,846.54, 1,175,643.95 and 215,094.81

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Solution

The fourth proportional to 783,846.54, 1,175,643.95 and 215,094.81 is: 322,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,846.54 : 1,175,643.95 = 215,094.81 : x
  2. Step 2: Convert to fraction form
    783,846.54/1,175,643.95 = 215,094.81/x
  3. Step 3: Cross multiply
    783,846.54x = 1,175,643.95 × 215,094.81
  4. Step 4: Simplify right side
    783,846.54x = 252,874,916,999.30
  5. Step 5: Solve for x
    x = 252,874,916,999.30/783,846.54
  6. Step 6: Final answer
    x = 322,607.69

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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.