Home / 1,314,078.96-1,813,431.60-710,466.96

Finding the Fourth Proportional to 1,314,078.96, 1,813,431.60 and 710,466.96

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Solution

The fourth proportional to 1,314,078.96, 1,813,431.60 and 710,466.96 is: 980,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,078.96 : 1,813,431.60 = 710,466.96 : x
  2. Step 2: Convert to fraction form
    1,314,078.96/1,813,431.60 = 710,466.96/x
  3. Step 3: Cross multiply
    1,314,078.96x = 1,813,431.60 × 710,466.96
  4. Step 4: Simplify right side
    1,314,078.96x = 1,288,383,236,019.94
  5. Step 5: Solve for x
    x = 1,288,383,236,019.94/1,314,078.96
  6. Step 6: Final answer
    x = 980,445.83

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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.