Home / 986,871.60-1,361,915.64-604,824.48

Finding the Fourth Proportional to 986,871.60, 1,361,915.64 and 604,824.48

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Solution

The fourth proportional to 986,871.60, 1,361,915.64 and 604,824.48 is: 834,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,871.60 : 1,361,915.64 = 604,824.48 : x
  2. Step 2: Convert to fraction form
    986,871.60/1,361,915.64 = 604,824.48/x
  3. Step 3: Cross multiply
    986,871.60x = 1,361,915.64 × 604,824.48
  4. Step 4: Simplify right side
    986,871.60x = 823,719,918,766.87
  5. Step 5: Solve for x
    x = 823,719,918,766.87/986,871.60
  6. Step 6: Final answer
    x = 834,677.90

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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.