Home / 427,112.79-589,363.86-236,099.67

Finding the Fourth Proportional to 427,112.79, 589,363.86 and 236,099.67

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Solution

The fourth proportional to 427,112.79, 589,363.86 and 236,099.67 is: 325,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,112.79 : 589,363.86 = 236,099.67 : x
  2. Step 2: Convert to fraction form
    427,112.79/589,363.86 = 236,099.67/x
  3. Step 3: Cross multiply
    427,112.79x = 589,363.86 × 236,099.67
  4. Step 4: Simplify right side
    427,112.79x = 139,148,612,855.93
  5. Step 5: Solve for x
    x = 139,148,612,855.93/427,112.79
  6. Step 6: Final answer
    x = 325,788.92

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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.