Home / 677,928.92-935,539.34-372,010.41

Finding the Fourth Proportional to 677,928.92, 935,539.34 and 372,010.41

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Solution

The fourth proportional to 677,928.92, 935,539.34 and 372,010.41 is: 513,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,928.92 : 935,539.34 = 372,010.41 : x
  2. Step 2: Convert to fraction form
    677,928.92/935,539.34 = 372,010.41/x
  3. Step 3: Cross multiply
    677,928.92x = 935,539.34 × 372,010.41
  4. Step 4: Simplify right side
    677,928.92x = 348,030,371,584.48
  5. Step 5: Solve for x
    x = 348,030,371,584.48/677,928.92
  6. Step 6: Final answer
    x = 513,372.96

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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.