Home / 863,175.92-1,191,159.78-500,577.08

Finding the Fourth Proportional to 863,175.92, 1,191,159.78 and 500,577.08

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Solution

The fourth proportional to 863,175.92, 1,191,159.78 and 500,577.08 is: 690,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,175.92 : 1,191,159.78 = 500,577.08 : x
  2. Step 2: Convert to fraction form
    863,175.92/1,191,159.78 = 500,577.08/x
  3. Step 3: Cross multiply
    863,175.92x = 1,191,159.78 × 500,577.08
  4. Step 4: Simplify right side
    863,175.92x = 596,267,284,485.84
  5. Step 5: Solve for x
    x = 596,267,284,485.84/863,175.92
  6. Step 6: Final answer
    x = 690,783.04

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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.