Home / 714,534.72-1,070,400.76-414,384.69

Finding the Fourth Proportional to 714,534.72, 1,070,400.76 and 414,384.69

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Solution

The fourth proportional to 714,534.72, 1,070,400.76 and 414,384.69 is: 620,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,534.72 : 1,070,400.76 = 414,384.69 : x
  2. Step 2: Convert to fraction form
    714,534.72/1,070,400.76 = 414,384.69/x
  3. Step 3: Cross multiply
    714,534.72x = 1,070,400.76 × 414,384.69
  4. Step 4: Simplify right side
    714,534.72x = 443,557,690,086.41
  5. Step 5: Solve for x
    x = 443,557,690,086.41/714,534.72
  6. Step 6: Final answer
    x = 620,764.37

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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.