Home / 634,835.76-876,043.26-348,349.56

Finding the Fourth Proportional to 634,835.76, 876,043.26 and 348,349.56

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Solution

The fourth proportional to 634,835.76, 876,043.26 and 348,349.56 is: 480,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,835.76 : 876,043.26 = 348,349.56 : x
  2. Step 2: Convert to fraction form
    634,835.76/876,043.26 = 348,349.56/x
  3. Step 3: Cross multiply
    634,835.76x = 876,043.26 × 348,349.56
  4. Step 4: Simplify right side
    634,835.76x = 305,169,284,161.97
  5. Step 5: Solve for x
    x = 305,169,284,161.97/634,835.76
  6. Step 6: Final answer
    x = 480,705.88

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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.