Home / 674,936.37-929,521.85-660,239.73

Finding the Fourth Proportional to 674,936.37, 929,521.85 and 660,239.73

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Solution

The fourth proportional to 674,936.37, 929,521.85 and 660,239.73 is: 909,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,936.37 : 929,521.85 = 660,239.73 : x
  2. Step 2: Convert to fraction form
    674,936.37/929,521.85 = 660,239.73/x
  3. Step 3: Cross multiply
    674,936.37x = 929,521.85 × 660,239.73
  4. Step 4: Simplify right side
    674,936.37x = 613,707,251,971.90
  5. Step 5: Solve for x
    x = 613,707,251,971.90/674,936.37
  6. Step 6: Final answer
    x = 909,281.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.