Home / 737,734.60-1,106,601.90-485,792.20

Finding the Fourth Proportional to 737,734.60, 1,106,601.90 and 485,792.20

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Solution

The fourth proportional to 737,734.60, 1,106,601.90 and 485,792.20 is: 728,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,734.60 : 1,106,601.90 = 485,792.20 : x
  2. Step 2: Convert to fraction form
    737,734.60/1,106,601.90 = 485,792.20/x
  3. Step 3: Cross multiply
    737,734.60x = 1,106,601.90 × 485,792.20
  4. Step 4: Simplify right side
    737,734.60x = 537,578,571,525.18
  5. Step 5: Solve for x
    x = 537,578,571,525.18/737,734.60
  6. Step 6: Final answer
    x = 728,688.30

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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.