Home / 952,300.96-1,428,455.84-321,220.32

Finding the Fourth Proportional to 952,300.96, 1,428,455.84 and 321,220.32

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Solution

The fourth proportional to 952,300.96, 1,428,455.84 and 321,220.32 is: 481,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,300.96 : 1,428,455.84 = 321,220.32 : x
  2. Step 2: Convert to fraction form
    952,300.96/1,428,455.84 = 321,220.32/x
  3. Step 3: Cross multiply
    952,300.96x = 1,428,455.84 × 321,220.32
  4. Step 4: Simplify right side
    952,300.96x = 458,849,042,030.67
  5. Step 5: Solve for x
    x = 458,849,042,030.67/952,300.96
  6. Step 6: Final answer
    x = 481,831.96

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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.