Home / 591,991.51-816,931.69-323,713.75

Finding the Fourth Proportional to 591,991.51, 816,931.69 and 323,713.75

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Solution

The fourth proportional to 591,991.51, 816,931.69 and 323,713.75 is: 446,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,991.51 : 816,931.69 = 323,713.75 : x
  2. Step 2: Convert to fraction form
    591,991.51/816,931.69 = 323,713.75/x
  3. Step 3: Cross multiply
    591,991.51x = 816,931.69 × 323,713.75
  4. Step 4: Simplify right side
    591,991.51x = 264,452,020,863.74
  5. Step 5: Solve for x
    x = 264,452,020,863.74/591,991.51
  6. Step 6: Final answer
    x = 446,715.90

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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.