Home / 1,720,859.38-2,374,787.92-956,896.54

Finding the Fourth Proportional to 1,720,859.38, 2,374,787.92 and 956,896.54

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Solution

The fourth proportional to 1,720,859.38, 2,374,787.92 and 956,896.54 is: 1,320,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,859.38 : 2,374,787.92 = 956,896.54 : x
  2. Step 2: Convert to fraction form
    1,720,859.38/2,374,787.92 = 956,896.54/x
  3. Step 3: Cross multiply
    1,720,859.38x = 2,374,787.92 × 956,896.54
  4. Step 4: Simplify right side
    1,720,859.38x = 2,272,426,343,881.80
  5. Step 5: Solve for x
    x = 2,272,426,343,881.80/1,720,859.38
  6. Step 6: Final answer
    x = 1,320,518.32

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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.