Home / 823,952.80-1,235,929.20-291,491.20

Finding the Fourth Proportional to 823,952.80, 1,235,929.20 and 291,491.20

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Solution

The fourth proportional to 823,952.80, 1,235,929.20 and 291,491.20 is: 437,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,952.80 : 1,235,929.20 = 291,491.20 : x
  2. Step 2: Convert to fraction form
    823,952.80/1,235,929.20 = 291,491.20/x
  3. Step 3: Cross multiply
    823,952.80x = 1,235,929.20 × 291,491.20
  4. Step 4: Simplify right side
    823,952.80x = 360,262,485,623.04
  5. Step 5: Solve for x
    x = 360,262,485,623.04/823,952.80
  6. Step 6: Final answer
    x = 437,236.80

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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.