Home / 671,615.60-1,007,423.40-222,405.80

Finding the Fourth Proportional to 671,615.60, 1,007,423.40 and 222,405.80

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Solution

The fourth proportional to 671,615.60, 1,007,423.40 and 222,405.80 is: 333,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,615.60 : 1,007,423.40 = 222,405.80 : x
  2. Step 2: Convert to fraction form
    671,615.60/1,007,423.40 = 222,405.80/x
  3. Step 3: Cross multiply
    671,615.60x = 1,007,423.40 × 222,405.80
  4. Step 4: Simplify right side
    671,615.60x = 224,056,807,215.72
  5. Step 5: Solve for x
    x = 224,056,807,215.72/671,615.60
  6. Step 6: Final answer
    x = 333,608.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.