Home / 931,357.77-1,395,867.97-398,251.92

Finding the Fourth Proportional to 931,357.77, 1,395,867.97 and 398,251.92

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Solution

The fourth proportional to 931,357.77, 1,395,867.97 and 398,251.92 is: 596,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,357.77 : 1,395,867.97 = 398,251.92 : x
  2. Step 2: Convert to fraction form
    931,357.77/1,395,867.97 = 398,251.92/x
  3. Step 3: Cross multiply
    931,357.77x = 1,395,867.97 × 398,251.92
  4. Step 4: Simplify right side
    931,357.77x = 555,907,099,119.00
  5. Step 5: Solve for x
    x = 555,907,099,119.00/931,357.77
  6. Step 6: Final answer
    x = 596,878.15

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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.