Home / 480,917.55-721,355.83-125,923.71

Finding the Fourth Proportional to 480,917.55, 721,355.83 and 125,923.71

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Solution

The fourth proportional to 480,917.55, 721,355.83 and 125,923.71 is: 188,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,917.55 : 721,355.83 = 125,923.71 : x
  2. Step 2: Convert to fraction form
    480,917.55/721,355.83 = 125,923.71/x
  3. Step 3: Cross multiply
    480,917.55x = 721,355.83 × 125,923.71
  4. Step 4: Simplify right side
    480,917.55x = 90,835,804,734.00
  5. Step 5: Solve for x
    x = 90,835,804,734.00/480,917.55
  6. Step 6: Final answer
    x = 188,880.20

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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.