Home / 432,926.76-646,219.86-381,795.06

Finding the Fourth Proportional to 432,926.76, 646,219.86 and 381,795.06

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Solution

The fourth proportional to 432,926.76, 646,219.86 and 381,795.06 is: 569,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,926.76 : 646,219.86 = 381,795.06 : x
  2. Step 2: Convert to fraction form
    432,926.76/646,219.86 = 381,795.06/x
  3. Step 3: Cross multiply
    432,926.76x = 646,219.86 × 381,795.06
  4. Step 4: Simplify right side
    432,926.76x = 246,723,550,221.89
  5. Step 5: Solve for x
    x = 246,723,550,221.89/432,926.76
  6. Step 6: Final answer
    x = 569,896.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.