Home / 343,659.18-474,495.39-229,208.34

Finding the Fourth Proportional to 343,659.18, 474,495.39 and 229,208.34

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Solution

The fourth proportional to 343,659.18, 474,495.39 and 229,208.34 is: 316,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,659.18 : 474,495.39 = 229,208.34 : x
  2. Step 2: Convert to fraction form
    343,659.18/474,495.39 = 229,208.34/x
  3. Step 3: Cross multiply
    343,659.18x = 474,495.39 × 229,208.34
  4. Step 4: Simplify right side
    343,659.18x = 108,758,300,679.55
  5. Step 5: Solve for x
    x = 108,758,300,679.55/343,659.18
  6. Step 6: Final answer
    x = 316,471.40

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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.