Home / 647,080.59-970,623.29-197,799.72

Finding the Fourth Proportional to 647,080.59, 970,623.29 and 197,799.72

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Solution

The fourth proportional to 647,080.59, 970,623.29 and 197,799.72 is: 296,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,080.59 : 970,623.29 = 197,799.72 : x
  2. Step 2: Convert to fraction form
    647,080.59/970,623.29 = 197,799.72/x
  3. Step 3: Cross multiply
    647,080.59x = 970,623.29 × 197,799.72
  4. Step 4: Simplify right side
    647,080.59x = 191,989,013,998.48
  5. Step 5: Solve for x
    x = 191,989,013,998.48/647,080.59
  6. Step 6: Final answer
    x = 296,700.31

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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.