Home / 379,302.23-523,447.34-226,429.13

Finding the Fourth Proportional to 379,302.23, 523,447.34 and 226,429.13

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Solution

The fourth proportional to 379,302.23, 523,447.34 and 226,429.13 is: 312,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,302.23 : 523,447.34 = 226,429.13 : x
  2. Step 2: Convert to fraction form
    379,302.23/523,447.34 = 226,429.13/x
  3. Step 3: Cross multiply
    379,302.23x = 523,447.34 × 226,429.13
  4. Step 4: Simplify right side
    379,302.23x = 118,523,722,047.63
  5. Step 5: Solve for x
    x = 118,523,722,047.63/379,302.23
  6. Step 6: Final answer
    x = 312,478.32

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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.