Home / 913,773.32-1,260,832.21-591,438.68

Finding the Fourth Proportional to 913,773.32, 1,260,832.21 and 591,438.68

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Solution

The fourth proportional to 913,773.32, 1,260,832.21 and 591,438.68 is: 816,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,773.32 : 1,260,832.21 = 591,438.68 : x
  2. Step 2: Convert to fraction form
    913,773.32/1,260,832.21 = 591,438.68/x
  3. Step 3: Cross multiply
    913,773.32x = 1,260,832.21 × 591,438.68
  4. Step 4: Simplify right side
    913,773.32x = 745,704,931,679.72
  5. Step 5: Solve for x
    x = 745,704,931,679.72/913,773.32
  6. Step 6: Final answer
    x = 816,072.13

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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.