Home / 817,158.98-1,125,112.51-694,392.42

Finding the Fourth Proportional to 817,158.98, 1,125,112.51 and 694,392.42

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Solution

The fourth proportional to 817,158.98, 1,125,112.51 and 694,392.42 is: 956,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,158.98 : 1,125,112.51 = 694,392.42 : x
  2. Step 2: Convert to fraction form
    817,158.98/1,125,112.51 = 694,392.42/x
  3. Step 3: Cross multiply
    817,158.98x = 1,125,112.51 × 694,392.42
  4. Step 4: Simplify right side
    817,158.98x = 781,269,592,636.02
  5. Step 5: Solve for x
    x = 781,269,592,636.02/817,158.98
  6. Step 6: Final answer
    x = 956,080.29

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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.