Home / 671,147.22-926,183.30-369,341.22

Finding the Fourth Proportional to 671,147.22, 926,183.30 and 369,341.22

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Solution

The fourth proportional to 671,147.22, 926,183.30 and 369,341.22 is: 509,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,147.22 : 926,183.30 = 369,341.22 : x
  2. Step 2: Convert to fraction form
    671,147.22/926,183.30 = 369,341.22/x
  3. Step 3: Cross multiply
    671,147.22x = 926,183.30 × 369,341.22
  4. Step 4: Simplify right side
    671,147.22x = 342,077,669,965.63
  5. Step 5: Solve for x
    x = 342,077,669,965.63/671,147.22
  6. Step 6: Final answer
    x = 509,690.96

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Double scale
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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.