Home / 1,720,336.86-2,373,930.39-956,343.90

Finding the Fourth Proportional to 1,720,336.86, 2,373,930.39 and 956,343.90

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Solution

The fourth proportional to 1,720,336.86, 2,373,930.39 and 956,343.90 is: 1,319,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,336.86 : 2,373,930.39 = 956,343.90 : x
  2. Step 2: Convert to fraction form
    1,720,336.86/2,373,930.39 = 956,343.90/x
  3. Step 3: Cross multiply
    1,720,336.86x = 2,373,930.39 × 956,343.90
  4. Step 4: Simplify right side
    1,720,336.86x = 2,270,293,847,501.12
  5. Step 5: Solve for x
    x = 2,270,293,847,501.12/1,720,336.86
  6. Step 6: Final answer
    x = 1,319,679.83

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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.