Home / 864,135.64-1,192,316.28-501,349.36

Finding the Fourth Proportional to 864,135.64, 1,192,316.28 and 501,349.36

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Solution

The fourth proportional to 864,135.64, 1,192,316.28 and 501,349.36 is: 691,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,135.64 : 1,192,316.28 = 501,349.36 : x
  2. Step 2: Convert to fraction form
    864,135.64/1,192,316.28 = 501,349.36/x
  3. Step 3: Cross multiply
    864,135.64x = 1,192,316.28 × 501,349.36
  4. Step 4: Simplify right side
    864,135.64x = 597,767,003,895.58
  5. Step 5: Solve for x
    x = 597,767,003,895.58/864,135.64
  6. Step 6: Final answer
    x = 691,751.36

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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.