Home / 1,583,379.52-2,185,010.60-938,416.82

Finding the Fourth Proportional to 1,583,379.52, 2,185,010.60 and 938,416.82

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Solution

The fourth proportional to 1,583,379.52, 2,185,010.60 and 938,416.82 is: 1,294,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,379.52 : 2,185,010.60 = 938,416.82 : x
  2. Step 2: Convert to fraction form
    1,583,379.52/2,185,010.60 = 938,416.82/x
  3. Step 3: Cross multiply
    1,583,379.52x = 2,185,010.60 × 938,416.82
  4. Step 4: Simplify right side
    1,583,379.52x = 2,050,450,683,301.16
  5. Step 5: Solve for x
    x = 2,050,450,683,301.16/1,583,379.52
  6. Step 6: Final answer
    x = 1,294,983.71

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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.