Home / 847,169.20-1,169,017.32-465,187.60

Finding the Fourth Proportional to 847,169.20, 1,169,017.32 and 465,187.60

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Solution

The fourth proportional to 847,169.20, 1,169,017.32 and 465,187.60 is: 641,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,169.20 : 1,169,017.32 = 465,187.60 : x
  2. Step 2: Convert to fraction form
    847,169.20/1,169,017.32 = 465,187.60/x
  3. Step 3: Cross multiply
    847,169.20x = 1,169,017.32 × 465,187.60
  4. Step 4: Simplify right side
    847,169.20x = 543,812,361,449.23
  5. Step 5: Solve for x
    x = 543,812,361,449.23/847,169.20
  6. Step 6: Final answer
    x = 641,917.06

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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.