Home / 930,867.73-1,396,273.79-256,990.16

Finding the Fourth Proportional to 930,867.73, 1,396,273.79 and 256,990.16

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Solution

The fourth proportional to 930,867.73, 1,396,273.79 and 256,990.16 is: 385,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,867.73 : 1,396,273.79 = 256,990.16 : x
  2. Step 2: Convert to fraction form
    930,867.73/1,396,273.79 = 256,990.16/x
  3. Step 3: Cross multiply
    930,867.73x = 1,396,273.79 × 256,990.16
  4. Step 4: Simplify right side
    930,867.73x = 358,828,628,829.07
  5. Step 5: Solve for x
    x = 358,828,628,829.07/930,867.73
  6. Step 6: Final answer
    x = 385,477.57

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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.