Home / 968,588.49-1,336,652.11-538,868.51

Finding the Fourth Proportional to 968,588.49, 1,336,652.11 and 538,868.51

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Solution

The fourth proportional to 968,588.49, 1,336,652.11 and 538,868.51 is: 743,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,588.49 : 1,336,652.11 = 538,868.51 : x
  2. Step 2: Convert to fraction form
    968,588.49/1,336,652.11 = 538,868.51/x
  3. Step 3: Cross multiply
    968,588.49x = 1,336,652.11 × 538,868.51
  4. Step 4: Simplify right side
    968,588.49x = 720,279,730,904.06
  5. Step 5: Solve for x
    x = 720,279,730,904.06/968,588.49
  6. Step 6: Final answer
    x = 743,638.54

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Double scale
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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.