Home / 656,319.40-982,923.90-444,812.20

Finding the Fourth Proportional to 656,319.40, 982,923.90 and 444,812.20

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Solution

The fourth proportional to 656,319.40, 982,923.90 and 444,812.20 is: 666,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,319.40 : 982,923.90 = 444,812.20 : x
  2. Step 2: Convert to fraction form
    656,319.40/982,923.90 = 444,812.20/x
  3. Step 3: Cross multiply
    656,319.40x = 982,923.90 × 444,812.20
  4. Step 4: Simplify right side
    656,319.40x = 437,216,542,391.58
  5. Step 5: Solve for x
    x = 437,216,542,391.58/656,319.40
  6. Step 6: Final answer
    x = 666,164.28

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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.