Home / 463,723.20-696,621.60-444,830.40

Finding the Fourth Proportional to 463,723.20, 696,621.60 and 444,830.40

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Solution

The fourth proportional to 463,723.20, 696,621.60 and 444,830.40 is: 668,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,723.20 : 696,621.60 = 444,830.40 : x
  2. Step 2: Convert to fraction form
    463,723.20/696,621.60 = 444,830.40/x
  3. Step 3: Cross multiply
    463,723.20x = 696,621.60 × 444,830.40
  4. Step 4: Simplify right side
    463,723.20x = 309,878,464,976.64
  5. Step 5: Solve for x
    x = 309,878,464,976.64/463,723.20
  6. Step 6: Final answer
    x = 668,240.16

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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.