Home / 1,095,121.20-1,642,404.50-326,441.52

Finding the Fourth Proportional to 1,095,121.20, 1,642,404.50 and 326,441.52

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Solution

The fourth proportional to 1,095,121.20, 1,642,404.50 and 326,441.52 is: 489,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,121.20 : 1,642,404.50 = 326,441.52 : x
  2. Step 2: Convert to fraction form
    1,095,121.20/1,642,404.50 = 326,441.52/x
  3. Step 3: Cross multiply
    1,095,121.20x = 1,642,404.50 × 326,441.52
  4. Step 4: Simplify right side
    1,095,121.20x = 536,149,021,434.84
  5. Step 5: Solve for x
    x = 536,149,021,434.84/1,095,121.20
  6. Step 6: Final answer
    x = 489,579.62

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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.