Home / 622,480.76-859,025.38-360,887.05

Finding the Fourth Proportional to 622,480.76, 859,025.38 and 360,887.05

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Solution

The fourth proportional to 622,480.76, 859,025.38 and 360,887.05 is: 498,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,480.76 : 859,025.38 = 360,887.05 : x
  2. Step 2: Convert to fraction form
    622,480.76/859,025.38 = 360,887.05/x
  3. Step 3: Cross multiply
    622,480.76x = 859,025.38 × 360,887.05
  4. Step 4: Simplify right side
    622,480.76x = 310,011,134,710.54
  5. Step 5: Solve for x
    x = 310,011,134,710.54/622,480.76
  6. Step 6: Final answer
    x = 498,025.25

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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.