Home / 1,102,152.60-1,653,246.42-419,049.86

Finding the Fourth Proportional to 1,102,152.60, 1,653,246.42 and 419,049.86

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Solution

The fourth proportional to 1,102,152.60, 1,653,246.42 and 419,049.86 is: 628,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,152.60 : 1,653,246.42 = 419,049.86 : x
  2. Step 2: Convert to fraction form
    1,102,152.60/1,653,246.42 = 419,049.86/x
  3. Step 3: Cross multiply
    1,102,152.60x = 1,653,246.42 × 419,049.86
  4. Step 4: Simplify right side
    1,102,152.60x = 692,792,680,846.50
  5. Step 5: Solve for x
    x = 692,792,680,846.50/1,102,152.60
  6. Step 6: Final answer
    x = 628,581.45

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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.