Home / 1,038,953.52-1,557,250.20-439,540.56

Finding the Fourth Proportional to 1,038,953.52, 1,557,250.20 and 439,540.56

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Solution

The fourth proportional to 1,038,953.52, 1,557,250.20 and 439,540.56 is: 658,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,953.52 : 1,557,250.20 = 439,540.56 : x
  2. Step 2: Convert to fraction form
    1,038,953.52/1,557,250.20 = 439,540.56/x
  3. Step 3: Cross multiply
    1,038,953.52x = 1,557,250.20 × 439,540.56
  4. Step 4: Simplify right side
    1,038,953.52x = 684,474,624,968.11
  5. Step 5: Solve for x
    x = 684,474,624,968.11/1,038,953.52
  6. Step 6: Final answer
    x = 658,811.59

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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.