Home / 931,867.53-1,397,645.60-258,016.95

Finding the Fourth Proportional to 931,867.53, 1,397,645.60 and 258,016.95

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Solution

The fourth proportional to 931,867.53, 1,397,645.60 and 258,016.95 is: 386,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,867.53 : 1,397,645.60 = 258,016.95 : x
  2. Step 2: Convert to fraction form
    931,867.53/1,397,645.60 = 258,016.95/x
  3. Step 3: Cross multiply
    931,867.53x = 1,397,645.60 × 258,016.95
  4. Step 4: Simplify right side
    931,867.53x = 360,616,253,602.84
  5. Step 5: Solve for x
    x = 360,616,253,602.84/931,867.53
  6. Step 6: Final answer
    x = 386,982.32

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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.