Home / 440,406.21-607,731.76-259,083.11

Finding the Fourth Proportional to 440,406.21, 607,731.76 and 259,083.11

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Solution

The fourth proportional to 440,406.21, 607,731.76 and 259,083.11 is: 357,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,406.21 : 607,731.76 = 259,083.11 : x
  2. Step 2: Convert to fraction form
    440,406.21/607,731.76 = 259,083.11/x
  3. Step 3: Cross multiply
    440,406.21x = 607,731.76 × 259,083.11
  4. Step 4: Simplify right side
    440,406.21x = 157,453,032,851.27
  5. Step 5: Solve for x
    x = 157,453,032,851.27/440,406.21
  6. Step 6: Final answer
    x = 357,517.74

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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.