Home / 1,191,512.25-1,786,706.73-432,818.85

Finding the Fourth Proportional to 1,191,512.25, 1,786,706.73 and 432,818.85

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Solution

The fourth proportional to 1,191,512.25, 1,786,706.73 and 432,818.85 is: 649,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,512.25 : 1,786,706.73 = 432,818.85 : x
  2. Step 2: Convert to fraction form
    1,191,512.25/1,786,706.73 = 432,818.85/x
  3. Step 3: Cross multiply
    1,191,512.25x = 1,786,706.73 × 432,818.85
  4. Step 4: Simplify right side
    1,191,512.25x = 773,320,352,165.86
  5. Step 5: Solve for x
    x = 773,320,352,165.86/1,191,512.25
  6. Step 6: Final answer
    x = 649,024.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.