Home / 674,501.44-930,814.42-368,577.83

Finding the Fourth Proportional to 674,501.44, 930,814.42 and 368,577.83

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Solution

The fourth proportional to 674,501.44, 930,814.42 and 368,577.83 is: 508,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,501.44 : 930,814.42 = 368,577.83 : x
  2. Step 2: Convert to fraction form
    674,501.44/930,814.42 = 368,577.83/x
  3. Step 3: Cross multiply
    674,501.44x = 930,814.42 × 368,577.83
  4. Step 4: Simplify right side
    674,501.44x = 343,077,557,213.42
  5. Step 5: Solve for x
    x = 343,077,557,213.42/674,501.44
  6. Step 6: Final answer
    x = 508,638.74

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Double scale
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Similar ratio
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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.