Home / 714,558.38-1,072,117.01-314,918.15

Finding the Fourth Proportional to 714,558.38, 1,072,117.01 and 314,918.15

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Solution

The fourth proportional to 714,558.38, 1,072,117.01 and 314,918.15 is: 472,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,558.38 : 1,072,117.01 = 314,918.15 : x
  2. Step 2: Convert to fraction form
    714,558.38/1,072,117.01 = 314,918.15/x
  3. Step 3: Cross multiply
    714,558.38x = 1,072,117.01 × 314,918.15
  4. Step 4: Simplify right side
    714,558.38x = 337,629,100,799.44
  5. Step 5: Solve for x
    x = 337,629,100,799.44/714,558.38
  6. Step 6: Final answer
    x = 472,500.38

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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.