Home / 307,864.20-461,796.30-245,656.20

Finding the Fourth Proportional to 307,864.20, 461,796.30 and 245,656.20

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Solution

The fourth proportional to 307,864.20, 461,796.30 and 245,656.20 is: 368,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,864.20 : 461,796.30 = 245,656.20 : x
  2. Step 2: Convert to fraction form
    307,864.20/461,796.30 = 245,656.20/x
  3. Step 3: Cross multiply
    307,864.20x = 461,796.30 × 245,656.20
  4. Step 4: Simplify right side
    307,864.20x = 113,443,124,232.06
  5. Step 5: Solve for x
    x = 113,443,124,232.06/307,864.20
  6. Step 6: Final answer
    x = 368,484.30

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1.5x scale

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.