Home / 863,176.92-1,191,161.16-500,578.08

Finding the Fourth Proportional to 863,176.92, 1,191,161.16 and 500,578.08

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Solution

The fourth proportional to 863,176.92, 1,191,161.16 and 500,578.08 is: 690,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,176.92 : 1,191,161.16 = 500,578.08 : x
  2. Step 2: Convert to fraction form
    863,176.92/1,191,161.16 = 500,578.08/x
  3. Step 3: Cross multiply
    863,176.92x = 1,191,161.16 × 500,578.08
  4. Step 4: Simplify right side
    863,176.92x = 596,269,166,443.37
  5. Step 5: Solve for x
    x = 596,269,166,443.37/863,176.92
  6. Step 6: Final answer
    x = 690,784.42

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1.5x scale

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.