Home / 1,187,968.14-1,782,837.90-478,002.24

Finding the Fourth Proportional to 1,187,968.14, 1,782,837.90 and 478,002.24

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Solution

The fourth proportional to 1,187,968.14, 1,782,837.90 and 478,002.24 is: 717,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,968.14 : 1,782,837.90 = 478,002.24 : x
  2. Step 2: Convert to fraction form
    1,187,968.14/1,782,837.90 = 478,002.24/x
  3. Step 3: Cross multiply
    1,187,968.14x = 1,782,837.90 × 478,002.24
  4. Step 4: Simplify right side
    1,187,968.14x = 852,200,509,756.90
  5. Step 5: Solve for x
    x = 852,200,509,756.90/1,187,968.14
  6. Step 6: Final answer
    x = 717,359.73

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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.