Home / 739,906.20-1,110,377.70-474,312.60

Finding the Fourth Proportional to 739,906.20, 1,110,377.70 and 474,312.60

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Solution

The fourth proportional to 739,906.20, 1,110,377.70 and 474,312.60 is: 711,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,906.20 : 1,110,377.70 = 474,312.60 : x
  2. Step 2: Convert to fraction form
    739,906.20/1,110,377.70 = 474,312.60/x
  3. Step 3: Cross multiply
    739,906.20x = 1,110,377.70 × 474,312.60
  4. Step 4: Simplify right side
    739,906.20x = 526,666,133,869.02
  5. Step 5: Solve for x
    x = 526,666,133,869.02/739,906.20
  6. Step 6: Final answer
    x = 711,801.22

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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.