Home / 823,404.20-1,235,106.30-349,970.60

Finding the Fourth Proportional to 823,404.20, 1,235,106.30 and 349,970.60

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Solution

The fourth proportional to 823,404.20, 1,235,106.30 and 349,970.60 is: 524,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,404.20 : 1,235,106.30 = 349,970.60 : x
  2. Step 2: Convert to fraction form
    823,404.20/1,235,106.30 = 349,970.60/x
  3. Step 3: Cross multiply
    823,404.20x = 1,235,106.30 × 349,970.60
  4. Step 4: Simplify right side
    823,404.20x = 432,250,892,874.78
  5. Step 5: Solve for x
    x = 432,250,892,874.78/823,404.20
  6. Step 6: Final answer
    x = 524,955.90

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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.