Home / 914,466.93-1,261,984.65-521,991.87

Finding the Fourth Proportional to 914,466.93, 1,261,984.65 and 521,991.87

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Solution

The fourth proportional to 914,466.93, 1,261,984.65 and 521,991.87 is: 720,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,466.93 : 1,261,984.65 = 521,991.87 : x
  2. Step 2: Convert to fraction form
    914,466.93/1,261,984.65 = 521,991.87/x
  3. Step 3: Cross multiply
    914,466.93x = 1,261,984.65 × 521,991.87
  4. Step 4: Simplify right side
    914,466.93x = 658,745,727,364.80
  5. Step 5: Solve for x
    x = 658,745,727,364.80/914,466.93
  6. Step 6: Final answer
    x = 720,360.36

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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.