Home / 677,922.09-935,529.92-372,003.59

Finding the Fourth Proportional to 677,922.09, 935,529.92 and 372,003.59

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Solution

The fourth proportional to 677,922.09, 935,529.92 and 372,003.59 is: 513,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,922.09 : 935,529.92 = 372,003.59 : x
  2. Step 2: Convert to fraction form
    677,922.09/935,529.92 = 372,003.59/x
  3. Step 3: Cross multiply
    677,922.09x = 935,529.92 × 372,003.59
  4. Step 4: Simplify right side
    677,922.09x = 348,020,491,131.24
  5. Step 5: Solve for x
    x = 348,020,491,131.24/677,922.09
  6. Step 6: Final answer
    x = 513,363.55

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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.