Home / 343,656.28-474,090.30-222,828.16

Finding the Fourth Proportional to 343,656.28, 474,090.30 and 222,828.16

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Solution

The fourth proportional to 343,656.28, 474,090.30 and 222,828.16 is: 307,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,656.28 : 474,090.30 = 222,828.16 : x
  2. Step 2: Convert to fraction form
    343,656.28/474,090.30 = 222,828.16/x
  3. Step 3: Cross multiply
    343,656.28x = 474,090.30 × 222,828.16
  4. Step 4: Simplify right side
    343,656.28x = 105,640,669,222.85
  5. Step 5: Solve for x
    x = 105,640,669,222.85/343,656.28
  6. Step 6: Final answer
    x = 307,402.12

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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.