Home / 634,945.52-876,216.84-348,469.04

Finding the Fourth Proportional to 634,945.52, 876,216.84 and 348,469.04

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Solution

The fourth proportional to 634,945.52, 876,216.84 and 348,469.04 is: 480,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,945.52 : 876,216.84 = 348,469.04 : x
  2. Step 2: Convert to fraction form
    634,945.52/876,216.84 = 348,469.04/x
  3. Step 3: Cross multiply
    634,945.52x = 876,216.84 × 348,469.04
  4. Step 4: Simplify right side
    634,945.52x = 305,334,441,066.63
  5. Step 5: Solve for x
    x = 305,334,441,066.63/634,945.52
  6. Step 6: Final answer
    x = 480,882.90

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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.