Home / 1,292,014.99-1,782,943.41-719,042.86

Finding the Fourth Proportional to 1,292,014.99, 1,782,943.41 and 719,042.86

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Solution

The fourth proportional to 1,292,014.99, 1,782,943.41 and 719,042.86 is: 992,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,014.99 : 1,782,943.41 = 719,042.86 : x
  2. Step 2: Convert to fraction form
    1,292,014.99/1,782,943.41 = 719,042.86/x
  3. Step 3: Cross multiply
    1,292,014.99x = 1,782,943.41 × 719,042.86
  4. Step 4: Simplify right side
    1,292,014.99x = 1,282,012,728,744.55
  5. Step 5: Solve for x
    x = 1,282,012,728,744.55/1,292,014.99
  6. Step 6: Final answer
    x = 992,258.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.