Home / 1,720,346.64-2,374,081.11-956,400.21

Finding the Fourth Proportional to 1,720,346.64, 2,374,081.11 and 956,400.21

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Solution

The fourth proportional to 1,720,346.64, 2,374,081.11 and 956,400.21 is: 1,319,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,346.64 : 2,374,081.11 = 956,400.21 : x
  2. Step 2: Convert to fraction form
    1,720,346.64/2,374,081.11 = 956,400.21/x
  3. Step 3: Cross multiply
    1,720,346.64x = 2,374,081.11 × 956,400.21
  4. Step 4: Simplify right side
    1,720,346.64x = 2,270,571,672,161.03
  5. Step 5: Solve for x
    x = 2,270,571,672,161.03/1,720,346.64
  6. Step 6: Final answer
    x = 1,319,833.82

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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.