Home / 866,243.94-1,195,424.58-479,039.34

Finding the Fourth Proportional to 866,243.94, 1,195,424.58 and 479,039.34

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Solution

The fourth proportional to 866,243.94, 1,195,424.58 and 479,039.34 is: 661,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,243.94 : 1,195,424.58 = 479,039.34 : x
  2. Step 2: Convert to fraction form
    866,243.94/1,195,424.58 = 479,039.34/x
  3. Step 3: Cross multiply
    866,243.94x = 1,195,424.58 × 479,039.34
  4. Step 4: Simplify right side
    866,243.94x = 572,655,401,822.98
  5. Step 5: Solve for x
    x = 572,655,401,822.98/866,243.94
  6. Step 6: Final answer
    x = 661,078.68

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Double scale
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1.5x scale

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.