Home / 862,610.74-1,190,422.65-480,660.82

Finding the Fourth Proportional to 862,610.74, 1,190,422.65 and 480,660.82

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Solution

The fourth proportional to 862,610.74, 1,190,422.65 and 480,660.82 is: 663,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,610.74 : 1,190,422.65 = 480,660.82 : x
  2. Step 2: Convert to fraction form
    862,610.74/1,190,422.65 = 480,660.82/x
  3. Step 3: Cross multiply
    862,610.74x = 1,190,422.65 × 480,660.82
  4. Step 4: Simplify right side
    862,610.74x = 572,189,527,095.57
  5. Step 5: Solve for x
    x = 572,189,527,095.57/862,610.74
  6. Step 6: Final answer
    x = 663,322.98

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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.