Home / 461,261.71-691,917.15-436,018.27

Finding the Fourth Proportional to 461,261.71, 691,917.15 and 436,018.27

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Solution

The fourth proportional to 461,261.71, 691,917.15 and 436,018.27 is: 654,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,261.71 : 691,917.15 = 436,018.27 : x
  2. Step 2: Convert to fraction form
    461,261.71/691,917.15 = 436,018.27/x
  3. Step 3: Cross multiply
    461,261.71x = 691,917.15 × 436,018.27
  4. Step 4: Simplify right side
    461,261.71x = 301,688,518,726.33
  5. Step 5: Solve for x
    x = 301,688,518,726.33/461,261.71
  6. Step 6: Final answer
    x = 654,050.64

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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.