Home / 1,259,227.36-1,737,683.04-686,255.16

Finding the Fourth Proportional to 1,259,227.36, 1,737,683.04 and 686,255.16

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Solution

The fourth proportional to 1,259,227.36, 1,737,683.04 and 686,255.16 is: 947,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,227.36 : 1,737,683.04 = 686,255.16 : x
  2. Step 2: Convert to fraction form
    1,259,227.36/1,737,683.04 = 686,255.16/x
  3. Step 3: Cross multiply
    1,259,227.36x = 1,737,683.04 × 686,255.16
  4. Step 4: Simplify right side
    1,259,227.36x = 1,192,493,952,644.49
  5. Step 5: Solve for x
    x = 1,192,493,952,644.49/1,259,227.36
  6. Step 6: Final answer
    x = 947,004.48

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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.