Home / 987,683.92-1,362,999.08-552,101.18

Finding the Fourth Proportional to 987,683.92, 1,362,999.08 and 552,101.18

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Solution

The fourth proportional to 987,683.92, 1,362,999.08 and 552,101.18 is: 761,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,683.92 : 1,362,999.08 = 552,101.18 : x
  2. Step 2: Convert to fraction form
    987,683.92/1,362,999.08 = 552,101.18/x
  3. Step 3: Cross multiply
    987,683.92x = 1,362,999.08 × 552,101.18
  4. Step 4: Simplify right side
    987,683.92x = 752,513,394,972.17
  5. Step 5: Solve for x
    x = 752,513,394,972.17/987,683.92
  6. Step 6: Final answer
    x = 761,896.98

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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.