Home / 1,038,558.60-1,557,722.70-851,243.40

Finding the Fourth Proportional to 1,038,558.60, 1,557,722.70 and 851,243.40

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Solution

The fourth proportional to 1,038,558.60, 1,557,722.70 and 851,243.40 is: 1,276,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,558.60 : 1,557,722.70 = 851,243.40 : x
  2. Step 2: Convert to fraction form
    1,038,558.60/1,557,722.70 = 851,243.40/x
  3. Step 3: Cross multiply
    1,038,558.60x = 1,557,722.70 × 851,243.40
  4. Step 4: Simplify right side
    1,038,558.60x = 1,326,001,167,405.18
  5. Step 5: Solve for x
    x = 1,326,001,167,405.18/1,038,558.60
  6. Step 6: Final answer
    x = 1,276,770.68

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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.