Home / 345,612.24-476,955-202,358.88

Finding the Fourth Proportional to 345,612.24, 476,955 and 202,358.88

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Solution

The fourth proportional to 345,612.24, 476,955 and 202,358.88 is: 279,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,612.24 : 476,955 = 202,358.88 : x
  2. Step 2: Convert to fraction form
    345,612.24/476,955 = 202,358.88/x
  3. Step 3: Cross multiply
    345,612.24x = 476,955 × 202,358.88
  4. Step 4: Simplify right side
    345,612.24x = 96,516,079,610.40
  5. Step 5: Solve for x
    x = 96,516,079,610.40/345,612.24
  6. Step 6: Final answer
    x = 279,261.17

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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.