Home / 1,038,576.60-1,557,749.70-851,261.40

Finding the Fourth Proportional to 1,038,576.60, 1,557,749.70 and 851,261.40

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Solution

The fourth proportional to 1,038,576.60, 1,557,749.70 and 851,261.40 is: 1,276,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,576.60 : 1,557,749.70 = 851,261.40 : x
  2. Step 2: Convert to fraction form
    1,038,576.60/1,557,749.70 = 851,261.40/x
  3. Step 3: Cross multiply
    1,038,576.60x = 1,557,749.70 × 851,261.40
  4. Step 4: Simplify right side
    1,038,576.60x = 1,326,052,190,471.58
  5. Step 5: Solve for x
    x = 1,326,052,190,471.58/1,038,576.60
  6. Step 6: Final answer
    x = 1,276,797.68

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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.