Home / 639,734.34-959,602.73-166,418.94

Finding the Fourth Proportional to 639,734.34, 959,602.73 and 166,418.94

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Solution

The fourth proportional to 639,734.34, 959,602.73 and 166,418.94 is: 249,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,734.34 : 959,602.73 = 166,418.94 : x
  2. Step 2: Convert to fraction form
    639,734.34/959,602.73 = 166,418.94/x
  3. Step 3: Cross multiply
    639,734.34x = 959,602.73 × 166,418.94
  4. Step 4: Simplify right side
    639,734.34x = 159,696,069,147.71
  5. Step 5: Solve for x
    x = 159,696,069,147.71/639,734.34
  6. Step 6: Final answer
    x = 249,628.73

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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.