Home / 691,322.04-1,037,164.50-218,022.84

Finding the Fourth Proportional to 691,322.04, 1,037,164.50 and 218,022.84

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Solution

The fourth proportional to 691,322.04, 1,037,164.50 and 218,022.84 is: 327,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,322.04 : 1,037,164.50 = 218,022.84 : x
  2. Step 2: Convert to fraction form
    691,322.04/1,037,164.50 = 218,022.84/x
  3. Step 3: Cross multiply
    691,322.04x = 1,037,164.50 × 218,022.84
  4. Step 4: Simplify right side
    691,322.04x = 226,125,549,837.18
  5. Step 5: Solve for x
    x = 226,125,549,837.18/691,322.04
  6. Step 6: Final answer
    x = 327,091.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.