Home / 623,820.80-933,395.70-444,321.20

Finding the Fourth Proportional to 623,820.80, 933,395.70 and 444,321.20

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Solution

The fourth proportional to 623,820.80, 933,395.70 and 444,321.20 is: 664,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,820.80 : 933,395.70 = 444,321.20 : x
  2. Step 2: Convert to fraction form
    623,820.80/933,395.70 = 444,321.20/x
  3. Step 3: Cross multiply
    623,820.80x = 933,395.70 × 444,321.20
  4. Step 4: Simplify right side
    623,820.80x = 414,727,497,498.84
  5. Step 5: Solve for x
    x = 414,727,497,498.84/623,820.80
  6. Step 6: Final answer
    x = 664,818.32

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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.