Home / 1,023,880.86-1,412,960.22-565,001.28

Finding the Fourth Proportional to 1,023,880.86, 1,412,960.22 and 565,001.28

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Solution

The fourth proportional to 1,023,880.86, 1,412,960.22 and 565,001.28 is: 779,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,880.86 : 1,412,960.22 = 565,001.28 : x
  2. Step 2: Convert to fraction form
    1,023,880.86/1,412,960.22 = 565,001.28/x
  3. Step 3: Cross multiply
    1,023,880.86x = 1,412,960.22 × 565,001.28
  4. Step 4: Simplify right side
    1,023,880.86x = 798,324,332,889.08
  5. Step 5: Solve for x
    x = 798,324,332,889.08/1,023,880.86
  6. Step 6: Final answer
    x = 779,704.32

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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.