Home / 683,167.07-942,698.94-396,631.19

Finding the Fourth Proportional to 683,167.07, 942,698.94 and 396,631.19

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Solution

The fourth proportional to 683,167.07, 942,698.94 and 396,631.19 is: 547,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,167.07 : 942,698.94 = 396,631.19 : x
  2. Step 2: Convert to fraction form
    683,167.07/942,698.94 = 396,631.19/x
  3. Step 3: Cross multiply
    683,167.07x = 942,698.94 × 396,631.19
  4. Step 4: Simplify right side
    683,167.07x = 373,903,802,383.94
  5. Step 5: Solve for x
    x = 373,903,802,383.94/683,167.07
  6. Step 6: Final answer
    x = 547,309.46

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Double scale
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Similar ratio
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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.