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Finding the Fourth Proportional to 726,191.60, 1,017,718 and 726,191.60

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Solution

The fourth proportional to 726,191.60, 1,017,718 and 726,191.60 is: 1,017,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,191.60 : 1,017,718 = 726,191.60 : x
  2. Step 2: Convert to fraction form
    726,191.60/1,017,718 = 726,191.60/x
  3. Step 3: Cross multiply
    726,191.60x = 1,017,718 × 726,191.60
  4. Step 4: Simplify right side
    726,191.60x = 739,058,262,768.80
  5. Step 5: Solve for x
    x = 739,058,262,768.80/726,191.60
  6. Step 6: Final answer
    x = 1,017,718.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.