Home / 740,520.20-1,110,780.30-682,783.40

Finding the Fourth Proportional to 740,520.20, 1,110,780.30 and 682,783.40

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Solution

The fourth proportional to 740,520.20, 1,110,780.30 and 682,783.40 is: 1,024,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,520.20 : 1,110,780.30 = 682,783.40 : x
  2. Step 2: Convert to fraction form
    740,520.20/1,110,780.30 = 682,783.40/x
  3. Step 3: Cross multiply
    740,520.20x = 1,110,780.30 × 682,783.40
  4. Step 4: Simplify right side
    740,520.20x = 758,422,349,887.02
  5. Step 5: Solve for x
    x = 758,422,349,887.02/740,520.20
  6. Step 6: Final answer
    x = 1,024,175.10

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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.