Home / 840,716.41-1,160,216.64-458,764.15

Finding the Fourth Proportional to 840,716.41, 1,160,216.64 and 458,764.15

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Solution

The fourth proportional to 840,716.41, 1,160,216.64 and 458,764.15 is: 633,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,716.41 : 1,160,216.64 = 458,764.15 : x
  2. Step 2: Convert to fraction form
    840,716.41/1,160,216.64 = 458,764.15/x
  3. Step 3: Cross multiply
    840,716.41x = 1,160,216.64 × 458,764.15
  4. Step 4: Simplify right side
    840,716.41x = 532,265,800,665.46
  5. Step 5: Solve for x
    x = 532,265,800,665.46/840,716.41
  6. Step 6: Final answer
    x = 633,109.80

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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.