Home / 981,601.60-1,470,652.80-607,187.20

Finding the Fourth Proportional to 981,601.60, 1,470,652.80 and 607,187.20

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Solution

The fourth proportional to 981,601.60, 1,470,652.80 and 607,187.20 is: 909,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,601.60 : 1,470,652.80 = 607,187.20 : x
  2. Step 2: Convert to fraction form
    981,601.60/1,470,652.80 = 607,187.20/x
  3. Step 3: Cross multiply
    981,601.60x = 1,470,652.80 × 607,187.20
  4. Step 4: Simplify right side
    981,601.60x = 892,961,555,804.16
  5. Step 5: Solve for x
    x = 892,961,555,804.16/981,601.60
  6. Step 6: Final answer
    x = 909,698.55

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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.