Home / 802,370.56-1,107,393.36-512,107.52

Finding the Fourth Proportional to 802,370.56, 1,107,393.36 and 512,107.52

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Solution

The fourth proportional to 802,370.56, 1,107,393.36 and 512,107.52 is: 706,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,370.56 : 1,107,393.36 = 512,107.52 : x
  2. Step 2: Convert to fraction form
    802,370.56/1,107,393.36 = 512,107.52/x
  3. Step 3: Cross multiply
    802,370.56x = 1,107,393.36 × 512,107.52
  4. Step 4: Simplify right side
    802,370.56x = 567,104,467,254.07
  5. Step 5: Solve for x
    x = 567,104,467,254.07/802,370.56
  6. Step 6: Final answer
    x = 706,786.24

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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.