Home / 840,716.53-1,160,216.81-458,764.27

Finding the Fourth Proportional to 840,716.53, 1,160,216.81 and 458,764.27

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Solution

The fourth proportional to 840,716.53, 1,160,216.81 and 458,764.27 is: 633,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,716.53 : 1,160,216.81 = 458,764.27 : x
  2. Step 2: Convert to fraction form
    840,716.53/1,160,216.81 = 458,764.27/x
  3. Step 3: Cross multiply
    840,716.53x = 1,160,216.81 × 458,764.27
  4. Step 4: Simplify right side
    840,716.53x = 532,266,017,881.38
  5. Step 5: Solve for x
    x = 532,266,017,881.38/840,716.53
  6. Step 6: Final answer
    x = 633,109.97

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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.