Home / 535,569.35-739,085.63-306,131.54

Finding the Fourth Proportional to 535,569.35, 739,085.63 and 306,131.54

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Solution

The fourth proportional to 535,569.35, 739,085.63 and 306,131.54 is: 422,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,569.35 : 739,085.63 = 306,131.54 : x
  2. Step 2: Convert to fraction form
    535,569.35/739,085.63 = 306,131.54/x
  3. Step 3: Cross multiply
    535,569.35x = 739,085.63 × 306,131.54
  4. Step 4: Simplify right side
    535,569.35x = 226,257,416,877.68
  5. Step 5: Solve for x
    x = 226,257,416,877.68/535,569.35
  6. Step 6: Final answer
    x = 422,461.48

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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.