Home / 863,134.03-1,191,240.30-495,755.65

Finding the Fourth Proportional to 863,134.03, 1,191,240.30 and 495,755.65

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Solution

The fourth proportional to 863,134.03, 1,191,240.30 and 495,755.65 is: 684,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,134.03 : 1,191,240.30 = 495,755.65 : x
  2. Step 2: Convert to fraction form
    863,134.03/1,191,240.30 = 495,755.65/x
  3. Step 3: Cross multiply
    863,134.03x = 1,191,240.30 × 495,755.65
  4. Step 4: Simplify right side
    863,134.03x = 590,564,109,232.70
  5. Step 5: Solve for x
    x = 590,564,109,232.70/863,134.03
  6. Step 6: Final answer
    x = 684,209.04

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Double scale
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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.