Home / 639,675.30-954,350.66-616,416.42

Finding the Fourth Proportional to 639,675.30, 954,350.66 and 616,416.42

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Solution

The fourth proportional to 639,675.30, 954,350.66 and 616,416.42 is: 919,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,675.30 : 954,350.66 = 616,416.42 : x
  2. Step 2: Convert to fraction form
    639,675.30/954,350.66 = 616,416.42/x
  3. Step 3: Cross multiply
    639,675.30x = 954,350.66 × 616,416.42
  4. Step 4: Simplify right side
    639,675.30x = 588,277,417,261.84
  5. Step 5: Solve for x
    x = 588,277,417,261.84/639,675.30
  6. Step 6: Final answer
    x = 919,650.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.