Home / 838,564.34-1,256,791.26-454,298.36

Finding the Fourth Proportional to 838,564.34, 1,256,791.26 and 454,298.36

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Solution

The fourth proportional to 838,564.34, 1,256,791.26 and 454,298.36 is: 680,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,564.34 : 1,256,791.26 = 454,298.36 : x
  2. Step 2: Convert to fraction form
    838,564.34/1,256,791.26 = 454,298.36/x
  3. Step 3: Cross multiply
    838,564.34x = 1,256,791.26 × 454,298.36
  4. Step 4: Simplify right side
    838,564.34x = 570,958,208,280.33
  5. Step 5: Solve for x
    x = 570,958,208,280.33/838,564.34
  6. Step 6: Final answer
    x = 680,875.85

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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.