Home / 1,219,584.75-1,683,612-857,319.15

Finding the Fourth Proportional to 1,219,584.75, 1,683,612 and 857,319.15

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Solution

The fourth proportional to 1,219,584.75, 1,683,612 and 857,319.15 is: 1,183,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,584.75 : 1,683,612 = 857,319.15 : x
  2. Step 2: Convert to fraction form
    1,219,584.75/1,683,612 = 857,319.15/x
  3. Step 3: Cross multiply
    1,219,584.75x = 1,683,612 × 857,319.15
  4. Step 4: Simplify right side
    1,219,584.75x = 1,443,392,808,769.80
  5. Step 5: Solve for x
    x = 1,443,392,808,769.80/1,219,584.75
  6. Step 6: Final answer
    x = 1,183,511.69

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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.