Home / 1,146,989.97-1,720,373.78-348,278.54

Finding the Fourth Proportional to 1,146,989.97, 1,720,373.78 and 348,278.54

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Solution

The fourth proportional to 1,146,989.97, 1,720,373.78 and 348,278.54 is: 522,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,989.97 : 1,720,373.78 = 348,278.54 : x
  2. Step 2: Convert to fraction form
    1,146,989.97/1,720,373.78 = 348,278.54/x
  3. Step 3: Cross multiply
    1,146,989.97x = 1,720,373.78 × 348,278.54
  4. Step 4: Simplify right side
    1,146,989.97x = 599,169,260,621.51
  5. Step 5: Solve for x
    x = 599,169,260,621.51/1,146,989.97
  6. Step 6: Final answer
    x = 522,384.05

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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.