Home / 673,928.73-930,015.95-372,116.25

Finding the Fourth Proportional to 673,928.73, 930,015.95 and 372,116.25

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Solution

The fourth proportional to 673,928.73, 930,015.95 and 372,116.25 is: 513,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,928.73 : 930,015.95 = 372,116.25 : x
  2. Step 2: Convert to fraction form
    673,928.73/930,015.95 = 372,116.25/x
  3. Step 3: Cross multiply
    673,928.73x = 930,015.95 × 372,116.25
  4. Step 4: Simplify right side
    673,928.73x = 346,074,045,893.61
  5. Step 5: Solve for x
    x = 346,074,045,893.61/673,928.73
  6. Step 6: Final answer
    x = 513,517.28

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Double scale
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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.