Home / 986,923.40-1,480,163.67-453,932.37

Finding the Fourth Proportional to 986,923.40, 1,480,163.67 and 453,932.37

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Solution

The fourth proportional to 986,923.40, 1,480,163.67 and 453,932.37 is: 680,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,923.40 : 1,480,163.67 = 453,932.37 : x
  2. Step 2: Convert to fraction form
    986,923.40/1,480,163.67 = 453,932.37/x
  3. Step 3: Cross multiply
    986,923.40x = 1,480,163.67 × 453,932.37
  4. Step 4: Simplify right side
    986,923.40x = 671,894,193,040.52
  5. Step 5: Solve for x
    x = 671,894,193,040.52/986,923.40
  6. Step 6: Final answer
    x = 680,796.70

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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.