Home / 355,003.40-531,914.60-249,601.34

Finding the Fourth Proportional to 355,003.40, 531,914.60 and 249,601.34

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Solution

The fourth proportional to 355,003.40, 531,914.60 and 249,601.34 is: 373,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,003.40 : 531,914.60 = 249,601.34 : x
  2. Step 2: Convert to fraction form
    355,003.40/531,914.60 = 249,601.34/x
  3. Step 3: Cross multiply
    355,003.40x = 531,914.60 × 249,601.34
  4. Step 4: Simplify right side
    355,003.40x = 132,766,596,925.56
  5. Step 5: Solve for x
    x = 132,766,596,925.56/355,003.40
  6. Step 6: Final answer
    x = 373,986.83

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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.