Home / 432,482.40-648,722.07-116,939.28

Finding the Fourth Proportional to 432,482.40, 648,722.07 and 116,939.28

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Solution

The fourth proportional to 432,482.40, 648,722.07 and 116,939.28 is: 175,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,482.40 : 648,722.07 = 116,939.28 : x
  2. Step 2: Convert to fraction form
    432,482.40/648,722.07 = 116,939.28/x
  3. Step 3: Cross multiply
    432,482.40x = 648,722.07 × 116,939.28
  4. Step 4: Simplify right side
    432,482.40x = 75,861,091,785.91
  5. Step 5: Solve for x
    x = 75,861,091,785.91/432,482.40
  6. Step 6: Final answer
    x = 175,408.51

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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.