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Finding the Fourth Proportional to 1,150,000, 1,722,718.16 and 541,955.68

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Solution

The fourth proportional to 1,150,000, 1,722,718.16 and 541,955.68 is: 811,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,000 : 1,722,718.16 = 541,955.68 : x
  2. Step 2: Convert to fraction form
    1,150,000/1,722,718.16 = 541,955.68/x
  3. Step 3: Cross multiply
    1,150,000x = 1,722,718.16 × 541,955.68
  4. Step 4: Simplify right side
    1,150,000x = 933,636,891,851.15
  5. Step 5: Solve for x
    x = 933,636,891,851.15/1,150,000
  6. Step 6: Final answer
    x = 811,858.17

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1.5x scale

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.