Home / 500,889.96-691,332.44-460,539.81

Finding the Fourth Proportional to 500,889.96, 691,332.44 and 460,539.81

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Solution

The fourth proportional to 500,889.96, 691,332.44 and 460,539.81 is: 635,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,889.96 : 691,332.44 = 460,539.81 : x
  2. Step 2: Convert to fraction form
    500,889.96/691,332.44 = 460,539.81/x
  3. Step 3: Cross multiply
    500,889.96x = 691,332.44 × 460,539.81
  4. Step 4: Simplify right side
    500,889.96x = 318,386,108,261.74
  5. Step 5: Solve for x
    x = 318,386,108,261.74/500,889.96
  6. Step 6: Final answer
    x = 635,640.83

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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.