Home / 432,064.20-648,096.30-245,440.20

Finding the Fourth Proportional to 432,064.20, 648,096.30 and 245,440.20

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Solution

The fourth proportional to 432,064.20, 648,096.30 and 245,440.20 is: 368,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,064.20 : 648,096.30 = 245,440.20 : x
  2. Step 2: Convert to fraction form
    432,064.20/648,096.30 = 245,440.20/x
  3. Step 3: Cross multiply
    432,064.20x = 648,096.30 × 245,440.20
  4. Step 4: Simplify right side
    432,064.20x = 159,068,885,491.26
  5. Step 5: Solve for x
    x = 159,068,885,491.26/432,064.20
  6. Step 6: Final answer
    x = 368,160.30

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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.