Home / 837,722.16-1,156,458.11-515,708.28

Finding the Fourth Proportional to 837,722.16, 1,156,458.11 and 515,708.28

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Solution

The fourth proportional to 837,722.16, 1,156,458.11 and 515,708.28 is: 711,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,722.16 : 1,156,458.11 = 515,708.28 : x
  2. Step 2: Convert to fraction form
    837,722.16/1,156,458.11 = 515,708.28/x
  3. Step 3: Cross multiply
    837,722.16x = 1,156,458.11 × 515,708.28
  4. Step 4: Simplify right side
    837,722.16x = 596,395,022,800.15
  5. Step 5: Solve for x
    x = 596,395,022,800.15/837,722.16
  6. Step 6: Final answer
    x = 711,924.61

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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.