Home / 677,928.26-935,538.41-372,009.75

Finding the Fourth Proportional to 677,928.26, 935,538.41 and 372,009.75

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Solution

The fourth proportional to 677,928.26, 935,538.41 and 372,009.75 is: 513,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,928.26 : 935,538.41 = 372,009.75 : x
  2. Step 2: Convert to fraction form
    677,928.26/935,538.41 = 372,009.75/x
  3. Step 3: Cross multiply
    677,928.26x = 935,538.41 × 372,009.75
  4. Step 4: Simplify right side
    677,928.26x = 348,029,408,159.45
  5. Step 5: Solve for x
    x = 348,029,408,159.45/677,928.26
  6. Step 6: Final answer
    x = 513,372.04

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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.