Home / 677,469.45-934,775.31-401,776.23

Finding the Fourth Proportional to 677,469.45, 934,775.31 and 401,776.23

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Solution

The fourth proportional to 677,469.45, 934,775.31 and 401,776.23 is: 554,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,469.45 : 934,775.31 = 401,776.23 : x
  2. Step 2: Convert to fraction form
    677,469.45/934,775.31 = 401,776.23/x
  3. Step 3: Cross multiply
    677,469.45x = 934,775.31 × 401,776.23
  4. Step 4: Simplify right side
    677,469.45x = 375,570,499,948.88
  5. Step 5: Solve for x
    x = 375,570,499,948.88/677,469.45
  6. Step 6: Final answer
    x = 554,372.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.