Home / 930,928.40-1,396,392.60-576,634.40

Finding the Fourth Proportional to 930,928.40, 1,396,392.60 and 576,634.40

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Solution

The fourth proportional to 930,928.40, 1,396,392.60 and 576,634.40 is: 864,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,928.40 : 1,396,392.60 = 576,634.40 : x
  2. Step 2: Convert to fraction form
    930,928.40/1,396,392.60 = 576,634.40/x
  3. Step 3: Cross multiply
    930,928.40x = 1,396,392.60 × 576,634.40
  4. Step 4: Simplify right side
    930,928.40x = 805,208,009,065.44
  5. Step 5: Solve for x
    x = 805,208,009,065.44/930,928.40
  6. Step 6: Final answer
    x = 864,951.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.