Home / 1,696,620.78-2,544,908.76-417,239.28

Finding the Fourth Proportional to 1,696,620.78, 2,544,908.76 and 417,239.28

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Solution

The fourth proportional to 1,696,620.78, 2,544,908.76 and 417,239.28 is: 625,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,620.78 : 2,544,908.76 = 417,239.28 : x
  2. Step 2: Convert to fraction form
    1,696,620.78/2,544,908.76 = 417,239.28/x
  3. Step 3: Cross multiply
    1,696,620.78x = 2,544,908.76 × 417,239.28
  4. Step 4: Simplify right side
    1,696,620.78x = 1,061,835,898,688.09
  5. Step 5: Solve for x
    x = 1,061,835,898,688.09/1,696,620.78
  6. Step 6: Final answer
    x = 625,853.41

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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.