Home / 981,655.77-1,354,230.26-573,774.81

Finding the Fourth Proportional to 981,655.77, 1,354,230.26 and 573,774.81

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Solution

The fourth proportional to 981,655.77, 1,354,230.26 and 573,774.81 is: 791,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,655.77 : 1,354,230.26 = 573,774.81 : x
  2. Step 2: Convert to fraction form
    981,655.77/1,354,230.26 = 573,774.81/x
  3. Step 3: Cross multiply
    981,655.77x = 1,354,230.26 × 573,774.81
  4. Step 4: Simplify right side
    981,655.77x = 777,023,204,332.17
  5. Step 5: Solve for x
    x = 777,023,204,332.17/981,655.77
  6. Step 6: Final answer
    x = 791,543.46

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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.