Home / 1,142,479.53-1,576,587.92-626,222.38

Finding the Fourth Proportional to 1,142,479.53, 1,576,587.92 and 626,222.38

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Solution

The fourth proportional to 1,142,479.53, 1,576,587.92 and 626,222.38 is: 864,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,479.53 : 1,576,587.92 = 626,222.38 : x
  2. Step 2: Convert to fraction form
    1,142,479.53/1,576,587.92 = 626,222.38/x
  3. Step 3: Cross multiply
    1,142,479.53x = 1,576,587.92 × 626,222.38
  4. Step 4: Simplify right side
    1,142,479.53x = 987,294,640,729.61
  5. Step 5: Solve for x
    x = 987,294,640,729.61/1,142,479.53
  6. Step 6: Final answer
    x = 864,168.34

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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.