Home / 1,173,318.75-1,619,179.88-636,774.75

Finding the Fourth Proportional to 1,173,318.75, 1,619,179.88 and 636,774.75

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Solution

The fourth proportional to 1,173,318.75, 1,619,179.88 and 636,774.75 is: 878,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,318.75 : 1,619,179.88 = 636,774.75 : x
  2. Step 2: Convert to fraction form
    1,173,318.75/1,619,179.88 = 636,774.75/x
  3. Step 3: Cross multiply
    1,173,318.75x = 1,619,179.88 × 636,774.75
  4. Step 4: Simplify right side
    1,173,318.75x = 1,031,052,860,108.16
  5. Step 5: Solve for x
    x = 1,031,052,860,108.16/1,173,318.75
  6. Step 6: Final answer
    x = 878,749.16

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Double scale
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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.