Home / 695,465.09-1,043,197.65-379,749.77

Finding the Fourth Proportional to 695,465.09, 1,043,197.65 and 379,749.77

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Solution

The fourth proportional to 695,465.09, 1,043,197.65 and 379,749.77 is: 569,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,465.09 : 1,043,197.65 = 379,749.77 : x
  2. Step 2: Convert to fraction form
    695,465.09/1,043,197.65 = 379,749.77/x
  3. Step 3: Cross multiply
    695,465.09x = 1,043,197.65 × 379,749.77
  4. Step 4: Simplify right side
    695,465.09x = 396,154,067,652.04
  5. Step 5: Solve for x
    x = 396,154,067,652.04/695,465.09
  6. Step 6: Final answer
    x = 569,624.66

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.