Home / 1,063,755.81-1,595,166.80-398,441.25

Finding the Fourth Proportional to 1,063,755.81, 1,595,166.80 and 398,441.25

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Solution

The fourth proportional to 1,063,755.81, 1,595,166.80 and 398,441.25 is: 597,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,755.81 : 1,595,166.80 = 398,441.25 : x
  2. Step 2: Convert to fraction form
    1,063,755.81/1,595,166.80 = 398,441.25/x
  3. Step 3: Cross multiply
    1,063,755.81x = 1,595,166.80 × 398,441.25
  4. Step 4: Simplify right side
    1,063,755.81x = 635,580,251,758.29
  5. Step 5: Solve for x
    x = 635,580,251,758.29/1,063,755.81
  6. Step 6: Final answer
    x = 597,486.99

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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.