Home / 1,908,128.76-2,861,493.30-559,945.32

Finding the Fourth Proportional to 1,908,128.76, 2,861,493.30 and 559,945.32

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Solution

The fourth proportional to 1,908,128.76, 2,861,493.30 and 559,945.32 is: 839,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,128.76 : 2,861,493.30 = 559,945.32 : x
  2. Step 2: Convert to fraction form
    1,908,128.76/2,861,493.30 = 559,945.32/x
  3. Step 3: Cross multiply
    1,908,128.76x = 2,861,493.30 × 559,945.32
  4. Step 4: Simplify right side
    1,908,128.76x = 1,602,279,781,546.36
  5. Step 5: Solve for x
    x = 1,602,279,781,546.36/1,908,128.76
  6. Step 6: Final answer
    x = 839,712.61

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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.