Home / 639,934.02-959,956.11-166,620.24

Finding the Fourth Proportional to 639,934.02, 959,956.11 and 166,620.24

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Solution

The fourth proportional to 639,934.02, 959,956.11 and 166,620.24 is: 249,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,934.02 : 959,956.11 = 166,620.24 : x
  2. Step 2: Convert to fraction form
    639,934.02/959,956.11 = 166,620.24/x
  3. Step 3: Cross multiply
    639,934.02x = 959,956.11 × 166,620.24
  4. Step 4: Simplify right side
    639,934.02x = 159,948,117,437.67
  5. Step 5: Solve for x
    x = 159,948,117,437.67/639,934.02
  6. Step 6: Final answer
    x = 249,944.70

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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.