Home / 743,191.56-1,025,609.76-403,659.72

Finding the Fourth Proportional to 743,191.56, 1,025,609.76 and 403,659.72

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Solution

The fourth proportional to 743,191.56, 1,025,609.76 and 403,659.72 is: 557,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,191.56 : 1,025,609.76 = 403,659.72 : x
  2. Step 2: Convert to fraction form
    743,191.56/1,025,609.76 = 403,659.72/x
  3. Step 3: Cross multiply
    743,191.56x = 1,025,609.76 × 403,659.72
  4. Step 4: Simplify right side
    743,191.56x = 413,997,348,550.87
  5. Step 5: Solve for x
    x = 413,997,348,550.87/743,191.56
  6. Step 6: Final answer
    x = 557,053.35

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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.