Home / 797,717.23-1,100,856.79-435,142.70

Finding the Fourth Proportional to 797,717.23, 1,100,856.79 and 435,142.70

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Solution

The fourth proportional to 797,717.23, 1,100,856.79 and 435,142.70 is: 600,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,717.23 : 1,100,856.79 = 435,142.70 : x
  2. Step 2: Convert to fraction form
    797,717.23/1,100,856.79 = 435,142.70/x
  3. Step 3: Cross multiply
    797,717.23x = 1,100,856.79 × 435,142.70
  4. Step 4: Simplify right side
    797,717.23x = 479,029,795,081.79
  5. Step 5: Solve for x
    x = 479,029,795,081.79/797,717.23
  6. Step 6: Final answer
    x = 600,500.75

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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.