Home / 850,079.82-1,173,104.34-468,103.50

Finding the Fourth Proportional to 850,079.82, 1,173,104.34 and 468,103.50

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Solution

The fourth proportional to 850,079.82, 1,173,104.34 and 468,103.50 is: 645,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,079.82 : 1,173,104.34 = 468,103.50 : x
  2. Step 2: Convert to fraction form
    850,079.82/1,173,104.34 = 468,103.50/x
  3. Step 3: Cross multiply
    850,079.82x = 1,173,104.34 × 468,103.50
  4. Step 4: Simplify right side
    850,079.82x = 549,134,247,419.19
  5. Step 5: Solve for x
    x = 549,134,247,419.19/850,079.82
  6. Step 6: Final answer
    x = 645,979.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.