Home / 883,390.47-1,325,351.73-314,697.33

Finding the Fourth Proportional to 883,390.47, 1,325,351.73 and 314,697.33

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Solution

The fourth proportional to 883,390.47, 1,325,351.73 and 314,697.33 is: 472,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,390.47 : 1,325,351.73 = 314,697.33 : x
  2. Step 2: Convert to fraction form
    883,390.47/1,325,351.73 = 314,697.33/x
  3. Step 3: Cross multiply
    883,390.47x = 1,325,351.73 × 314,697.33
  4. Step 4: Simplify right side
    883,390.47x = 417,084,650,741.88
  5. Step 5: Solve for x
    x = 417,084,650,741.88/883,390.47
  6. Step 6: Final answer
    x = 472,140.76

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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.