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Finding the Fourth Proportional to 1,257,060.62, 1,734,783 and 713,219.33

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Solution

The fourth proportional to 1,257,060.62, 1,734,783 and 713,219.33 is: 984,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,060.62 : 1,734,783 = 713,219.33 : x
  2. Step 2: Convert to fraction form
    1,257,060.62/1,734,783 = 713,219.33/x
  3. Step 3: Cross multiply
    1,257,060.62x = 1,734,783 × 713,219.33
  4. Step 4: Simplify right side
    1,257,060.62x = 1,237,280,768,955.39
  5. Step 5: Solve for x
    x = 1,237,280,768,955.39/1,257,060.62
  6. Step 6: Final answer
    x = 984,265.00

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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.