Home / 432,554.64-648,971.08-207,931.44

Finding the Fourth Proportional to 432,554.64, 648,971.08 and 207,931.44

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Solution

The fourth proportional to 432,554.64, 648,971.08 and 207,931.44 is: 311,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,554.64 : 648,971.08 = 207,931.44 : x
  2. Step 2: Convert to fraction form
    432,554.64/648,971.08 = 207,931.44/x
  3. Step 3: Cross multiply
    432,554.64x = 648,971.08 × 207,931.44
  4. Step 4: Simplify right side
    432,554.64x = 134,941,491,182.76
  5. Step 5: Solve for x
    x = 134,941,491,182.76/432,554.64
  6. Step 6: Final answer
    x = 311,964.04

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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.