Home / 1,115,059.20-1,538,705.88-605,750.64

Finding the Fourth Proportional to 1,115,059.20, 1,538,705.88 and 605,750.64

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Solution

The fourth proportional to 1,115,059.20, 1,538,705.88 and 605,750.64 is: 835,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,059.20 : 1,538,705.88 = 605,750.64 : x
  2. Step 2: Convert to fraction form
    1,115,059.20/1,538,705.88 = 605,750.64/x
  3. Step 3: Cross multiply
    1,115,059.20x = 1,538,705.88 × 605,750.64
  4. Step 4: Simplify right side
    1,115,059.20x = 932,072,071,581.76
  5. Step 5: Solve for x
    x = 932,072,071,581.76/1,115,059.20
  6. Step 6: Final answer
    x = 835,894.70

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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.