Home / 862,601.28-1,190,373.92-480,619.84

Finding the Fourth Proportional to 862,601.28, 1,190,373.92 and 480,619.84

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Solution

The fourth proportional to 862,601.28, 1,190,373.92 and 480,619.84 is: 663,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,601.28 : 1,190,373.92 = 480,619.84 : x
  2. Step 2: Convert to fraction form
    862,601.28/1,190,373.92 = 480,619.84/x
  3. Step 3: Cross multiply
    862,601.28x = 1,190,373.92 × 480,619.84
  4. Step 4: Simplify right side
    862,601.28x = 572,117,322,970.57
  5. Step 5: Solve for x
    x = 572,117,322,970.57/862,601.28
  6. Step 6: Final answer
    x = 663,246.55

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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.