Home / 656,554.20-906,114.44-384,850.38

Finding the Fourth Proportional to 656,554.20, 906,114.44 and 384,850.38

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Solution

The fourth proportional to 656,554.20, 906,114.44 and 384,850.38 is: 531,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,554.20 : 906,114.44 = 384,850.38 : x
  2. Step 2: Convert to fraction form
    656,554.20/906,114.44 = 384,850.38/x
  3. Step 3: Cross multiply
    656,554.20x = 906,114.44 × 384,850.38
  4. Step 4: Simplify right side
    656,554.20x = 348,718,486,557.49
  5. Step 5: Solve for x
    x = 348,718,486,557.49/656,554.20
  6. Step 6: Final answer
    x = 531,134.35

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Double scale
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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.