Home / 937,009.80-1,403,546.40-515,793.60

Finding the Fourth Proportional to 937,009.80, 1,403,546.40 and 515,793.60

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Solution

The fourth proportional to 937,009.80, 1,403,546.40 and 515,793.60 is: 772,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,009.80 : 1,403,546.40 = 515,793.60 : x
  2. Step 2: Convert to fraction form
    937,009.80/1,403,546.40 = 515,793.60/x
  3. Step 3: Cross multiply
    937,009.80x = 1,403,546.40 × 515,793.60
  4. Step 4: Simplify right side
    937,009.80x = 723,940,250,423.04
  5. Step 5: Solve for x
    x = 723,940,250,423.04/937,009.80
  6. Step 6: Final answer
    x = 772,606.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.