Home / 797,721.92-1,100,863.28-435,147.39

Finding the Fourth Proportional to 797,721.92, 1,100,863.28 and 435,147.39

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Solution

The fourth proportional to 797,721.92, 1,100,863.28 and 435,147.39 is: 600,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,721.92 : 1,100,863.28 = 435,147.39 : x
  2. Step 2: Convert to fraction form
    797,721.92/1,100,863.28 = 435,147.39/x
  3. Step 3: Cross multiply
    797,721.92x = 1,100,863.28 × 435,147.39
  4. Step 4: Simplify right side
    797,721.92x = 479,037,783,038.84
  5. Step 5: Solve for x
    x = 479,037,783,038.84/797,721.92
  6. Step 6: Final answer
    x = 600,507.23

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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.