Home / 691,962.57-1,038,116.66-193,322.25

Finding the Fourth Proportional to 691,962.57, 1,038,116.66 and 193,322.25

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Solution

The fourth proportional to 691,962.57, 1,038,116.66 and 193,322.25 is: 290,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,962.57 : 1,038,116.66 = 193,322.25 : x
  2. Step 2: Convert to fraction form
    691,962.57/1,038,116.66 = 193,322.25/x
  3. Step 3: Cross multiply
    691,962.57x = 1,038,116.66 × 193,322.25
  4. Step 4: Simplify right side
    691,962.57x = 200,691,047,507.07
  5. Step 5: Solve for x
    x = 200,691,047,507.07/691,962.57
  6. Step 6: Final answer
    x = 290,031.65

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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.