Home / 677,933.61-935,545.80-372,015.09

Finding the Fourth Proportional to 677,933.61, 935,545.80 and 372,015.09

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Solution

The fourth proportional to 677,933.61, 935,545.80 and 372,015.09 is: 513,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,933.61 : 935,545.80 = 372,015.09 : x
  2. Step 2: Convert to fraction form
    677,933.61/935,545.80 = 372,015.09/x
  3. Step 3: Cross multiply
    677,933.61x = 935,545.80 × 372,015.09
  4. Step 4: Simplify right side
    677,933.61x = 348,037,154,986.12
  5. Step 5: Solve for x
    x = 348,037,154,986.12/677,933.61
  6. Step 6: Final answer
    x = 513,379.41

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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.