Home / 535,566.15-739,081.22-306,128.34

Finding the Fourth Proportional to 535,566.15, 739,081.22 and 306,128.34

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Solution

The fourth proportional to 535,566.15, 739,081.22 and 306,128.34 is: 422,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,566.15 : 739,081.22 = 306,128.34 : x
  2. Step 2: Convert to fraction form
    535,566.15/739,081.22 = 306,128.34/x
  3. Step 3: Cross multiply
    535,566.15x = 739,081.22 × 306,128.34
  4. Step 4: Simplify right side
    535,566.15x = 226,253,705,473.13
  5. Step 5: Solve for x
    x = 226,253,705,473.13/535,566.15
  6. Step 6: Final answer
    x = 422,457.07

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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.