Home / 500,890.96-691,333.82-460,540.81

Finding the Fourth Proportional to 500,890.96, 691,333.82 and 460,540.81

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Solution

The fourth proportional to 500,890.96, 691,333.82 and 460,540.81 is: 635,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,890.96 : 691,333.82 = 460,540.81 : x
  2. Step 2: Convert to fraction form
    500,890.96/691,333.82 = 460,540.81/x
  3. Step 3: Cross multiply
    500,890.96x = 691,333.82 × 460,540.81
  4. Step 4: Simplify right side
    500,890.96x = 318,387,437,443.19
  5. Step 5: Solve for x
    x = 318,387,437,443.19/500,890.96
  6. Step 6: Final answer
    x = 635,642.21

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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.