Home / 432,588.16-648,660.72-230,299.18

Finding the Fourth Proportional to 432,588.16, 648,660.72 and 230,299.18

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Solution

The fourth proportional to 432,588.16, 648,660.72 and 230,299.18 is: 345,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,588.16 : 648,660.72 = 230,299.18 : x
  2. Step 2: Convert to fraction form
    432,588.16/648,660.72 = 230,299.18/x
  3. Step 3: Cross multiply
    432,588.16x = 648,660.72 × 230,299.18
  4. Step 4: Simplify right side
    432,588.16x = 149,386,031,914.21
  5. Step 5: Solve for x
    x = 149,386,031,914.21/432,588.16
  6. Step 6: Final answer
    x = 345,330.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.