Home / 383,215.44-528,812.00-230,162.68

Finding the Fourth Proportional to 383,215.44, 528,812.00 and 230,162.68

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Solution

The fourth proportional to 383,215.44, 528,812.00 and 230,162.68 is: 317,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,215.44 : 528,812.00 = 230,162.68 : x
  2. Step 2: Convert to fraction form
    383,215.44/528,812.00 = 230,162.68/x
  3. Step 3: Cross multiply
    383,215.44x = 528,812.00 × 230,162.68
  4. Step 4: Simplify right side
    383,215.44x = 121,712,785,985.35
  5. Step 5: Solve for x
    x = 121,712,785,985.35/383,215.44
  6. Step 6: Final answer
    x = 317,609.30

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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.