Home / 693,184.40-1,039,768.34-219,873.86

Finding the Fourth Proportional to 693,184.40, 1,039,768.34 and 219,873.86

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Solution

The fourth proportional to 693,184.40, 1,039,768.34 and 219,873.86 is: 329,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,184.40 : 1,039,768.34 = 219,873.86 : x
  2. Step 2: Convert to fraction form
    693,184.40/1,039,768.34 = 219,873.86/x
  3. Step 3: Cross multiply
    693,184.40x = 1,039,768.34 × 219,873.86
  4. Step 4: Simplify right side
    693,184.40x = 228,617,878,421.59
  5. Step 5: Solve for x
    x = 228,617,878,421.59/693,184.40
  6. Step 6: Final answer
    x = 329,808.17

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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.