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Finding the Fourth Proportional to 984,863, 1,359,215.58 and 577,307.39

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Solution

The fourth proportional to 984,863, 1,359,215.58 and 577,307.39 is: 796,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,863 : 1,359,215.58 = 577,307.39 : x
  2. Step 2: Convert to fraction form
    984,863/1,359,215.58 = 577,307.39/x
  3. Step 3: Cross multiply
    984,863x = 1,359,215.58 × 577,307.39
  4. Step 4: Simplify right side
    984,863x = 784,685,198,937.14
  5. Step 5: Solve for x
    x = 784,685,198,937.14/984,863
  6. Step 6: Final answer
    x = 796,745.54

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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.