Home / 1,219,592.75-1,683,623.04-857,327.15

Finding the Fourth Proportional to 1,219,592.75, 1,683,623.04 and 857,327.15

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Solution

The fourth proportional to 1,219,592.75, 1,683,623.04 and 857,327.15 is: 1,183,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,592.75 : 1,683,623.04 = 857,327.15 : x
  2. Step 2: Convert to fraction form
    1,219,592.75/1,683,623.04 = 857,327.15/x
  3. Step 3: Cross multiply
    1,219,592.75x = 1,683,623.04 × 857,327.15
  4. Step 4: Simplify right side
    1,219,592.75x = 1,443,415,742,557.54
  5. Step 5: Solve for x
    x = 1,443,415,742,557.54/1,219,592.75
  6. Step 6: Final answer
    x = 1,183,522.73

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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.