Home / 837,722.66-1,156,458.80-515,708.78

Finding the Fourth Proportional to 837,722.66, 1,156,458.80 and 515,708.78

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Solution

The fourth proportional to 837,722.66, 1,156,458.80 and 515,708.78 is: 711,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,722.66 : 1,156,458.80 = 515,708.78 : x
  2. Step 2: Convert to fraction form
    837,722.66/1,156,458.80 = 515,708.78/x
  3. Step 3: Cross multiply
    837,722.66x = 1,156,458.80 × 515,708.78
  4. Step 4: Simplify right side
    837,722.66x = 596,395,956,868.26
  5. Step 5: Solve for x
    x = 596,395,956,868.26/837,722.66
  6. Step 6: Final answer
    x = 711,925.30

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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.