Home / 847,161.37-1,169,084.10-465,212.35

Finding the Fourth Proportional to 847,161.37, 1,169,084.10 and 465,212.35

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Solution

The fourth proportional to 847,161.37, 1,169,084.10 and 465,212.35 is: 641,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,161.37 : 1,169,084.10 = 465,212.35 : x
  2. Step 2: Convert to fraction form
    847,161.37/1,169,084.10 = 465,212.35/x
  3. Step 3: Cross multiply
    847,161.37x = 1,169,084.10 × 465,212.35
  4. Step 4: Simplify right side
    847,161.37x = 543,872,361,508.64
  5. Step 5: Solve for x
    x = 543,872,361,508.64/847,161.37
  6. Step 6: Final answer
    x = 641,993.82

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1.5x scale

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.