Home / 654,229.95-902,842.30-363,845.55

Finding the Fourth Proportional to 654,229.95, 902,842.30 and 363,845.55

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Solution

The fourth proportional to 654,229.95, 902,842.30 and 363,845.55 is: 502,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,229.95 : 902,842.30 = 363,845.55 : x
  2. Step 2: Convert to fraction form
    654,229.95/902,842.30 = 363,845.55/x
  3. Step 3: Cross multiply
    654,229.95x = 902,842.30 × 363,845.55
  4. Step 4: Simplify right side
    654,229.95x = 328,495,157,047.23
  5. Step 5: Solve for x
    x = 328,495,157,047.23/654,229.95
  6. Step 6: Final answer
    x = 502,109.63

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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.