Home / 864,208.36-1,192,274.94-541,356.40

Finding the Fourth Proportional to 864,208.36, 1,192,274.94 and 541,356.40

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Solution

The fourth proportional to 864,208.36, 1,192,274.94 and 541,356.40 is: 746,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,208.36 : 1,192,274.94 = 541,356.40 : x
  2. Step 2: Convert to fraction form
    864,208.36/1,192,274.94 = 541,356.40/x
  3. Step 3: Cross multiply
    864,208.36x = 1,192,274.94 × 541,356.40
  4. Step 4: Simplify right side
    864,208.36x = 645,445,669,328.62
  5. Step 5: Solve for x
    x = 645,445,669,328.62/864,208.36
  6. Step 6: Final answer
    x = 746,863.49

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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.