Home / 1,017,968.86-1,405,454.25-631,194.94

Finding the Fourth Proportional to 1,017,968.86, 1,405,454.25 and 631,194.94

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Solution

The fourth proportional to 1,017,968.86, 1,405,454.25 and 631,194.94 is: 871,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,968.86 : 1,405,454.25 = 631,194.94 : x
  2. Step 2: Convert to fraction form
    1,017,968.86/1,405,454.25 = 631,194.94/x
  3. Step 3: Cross multiply
    1,017,968.86x = 1,405,454.25 × 631,194.94
  4. Step 4: Simplify right side
    1,017,968.86x = 887,115,611,001.50
  5. Step 5: Solve for x
    x = 887,115,611,001.50/1,017,968.86
  6. Step 6: Final answer
    x = 871,456.53

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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.