Home / 863,193.38-1,191,211.96-500,833.04

Finding the Fourth Proportional to 863,193.38, 1,191,211.96 and 500,833.04

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Solution

The fourth proportional to 863,193.38, 1,191,211.96 and 500,833.04 is: 691,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,193.38 : 1,191,211.96 = 500,833.04 : x
  2. Step 2: Convert to fraction form
    863,193.38/1,191,211.96 = 500,833.04/x
  3. Step 3: Cross multiply
    863,193.38x = 1,191,211.96 × 500,833.04
  4. Step 4: Simplify right side
    863,193.38x = 596,598,307,211.16
  5. Step 5: Solve for x
    x = 596,598,307,211.16/863,193.38
  6. Step 6: Final answer
    x = 691,152.55

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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.