Home / 897,291.33-1,238,453.66-515,528.61

Finding the Fourth Proportional to 897,291.33, 1,238,453.66 and 515,528.61

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Solution

The fourth proportional to 897,291.33, 1,238,453.66 and 515,528.61 is: 711,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,291.33 : 1,238,453.66 = 515,528.61 : x
  2. Step 2: Convert to fraction form
    897,291.33/1,238,453.66 = 515,528.61/x
  3. Step 3: Cross multiply
    897,291.33x = 1,238,453.66 × 515,528.61
  4. Step 4: Simplify right side
    897,291.33x = 638,458,293,889.21
  5. Step 5: Solve for x
    x = 638,458,293,889.21/897,291.33
  6. Step 6: Final answer
    x = 711,539.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.