Home / 850,245.57-1,274,925.45-317,328.33

Finding the Fourth Proportional to 850,245.57, 1,274,925.45 and 317,328.33

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Solution

The fourth proportional to 850,245.57, 1,274,925.45 and 317,328.33 is: 475,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,245.57 : 1,274,925.45 = 317,328.33 : x
  2. Step 2: Convert to fraction form
    850,245.57/1,274,925.45 = 317,328.33/x
  3. Step 3: Cross multiply
    850,245.57x = 1,274,925.45 × 317,328.33
  4. Step 4: Simplify right side
    850,245.57x = 404,569,963,923.00
  5. Step 5: Solve for x
    x = 404,569,963,923.00/850,245.57
  6. Step 6: Final answer
    x = 475,827.19

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1.5x scale

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.