Home / 826,830.20-1,240,245.30-574,887.80

Finding the Fourth Proportional to 826,830.20, 1,240,245.30 and 574,887.80

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Solution

The fourth proportional to 826,830.20, 1,240,245.30 and 574,887.80 is: 862,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,830.20 : 1,240,245.30 = 574,887.80 : x
  2. Step 2: Convert to fraction form
    826,830.20/1,240,245.30 = 574,887.80/x
  3. Step 3: Cross multiply
    826,830.20x = 1,240,245.30 × 574,887.80
  4. Step 4: Simplify right side
    826,830.20x = 713,001,891,977.34
  5. Step 5: Solve for x
    x = 713,001,891,977.34/826,830.20
  6. Step 6: Final answer
    x = 862,331.70

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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.