Home / 683,145.36-942,940.80-396,794.16

Finding the Fourth Proportional to 683,145.36, 942,940.80 and 396,794.16

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Solution

The fourth proportional to 683,145.36, 942,940.80 and 396,794.16 is: 547,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,145.36 : 942,940.80 = 396,794.16 : x
  2. Step 2: Convert to fraction form
    683,145.36/942,940.80 = 396,794.16/x
  3. Step 3: Cross multiply
    683,145.36x = 942,940.80 × 396,794.16
  4. Step 4: Simplify right side
    683,145.36x = 374,153,402,665.73
  5. Step 5: Solve for x
    x = 374,153,402,665.73/683,145.36
  6. Step 6: Final answer
    x = 547,692.23

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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.