Home / 981,221.19-1,354,040.73-573,360.27

Finding the Fourth Proportional to 981,221.19, 1,354,040.73 and 573,360.27

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Solution

The fourth proportional to 981,221.19, 1,354,040.73 and 573,360.27 is: 791,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,221.19 : 1,354,040.73 = 573,360.27 : x
  2. Step 2: Convert to fraction form
    981,221.19/1,354,040.73 = 573,360.27/x
  3. Step 3: Cross multiply
    981,221.19x = 1,354,040.73 × 573,360.27
  4. Step 4: Simplify right side
    981,221.19x = 776,353,158,543.80
  5. Step 5: Solve for x
    x = 776,353,158,543.80/981,221.19
  6. Step 6: Final answer
    x = 791,211.16

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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.