Home / 823,407.60-1,235,226.60-350,089.20

Finding the Fourth Proportional to 823,407.60, 1,235,226.60 and 350,089.20

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Solution

The fourth proportional to 823,407.60, 1,235,226.60 and 350,089.20 is: 525,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,407.60 : 1,235,226.60 = 350,089.20 : x
  2. Step 2: Convert to fraction form
    823,407.60/1,235,226.60 = 350,089.20/x
  3. Step 3: Cross multiply
    823,407.60x = 1,235,226.60 × 350,089.20
  4. Step 4: Simplify right side
    823,407.60x = 432,439,492,212.72
  5. Step 5: Solve for x
    x = 432,439,492,212.72/823,407.60
  6. Step 6: Final answer
    x = 525,182.78

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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.