Home / 683,014.73-942,541.57-377,085.56

Finding the Fourth Proportional to 683,014.73, 942,541.57 and 377,085.56

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Solution

The fourth proportional to 683,014.73, 942,541.57 and 377,085.56 is: 520,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,014.73 : 942,541.57 = 377,085.56 : x
  2. Step 2: Convert to fraction form
    683,014.73/942,541.57 = 377,085.56/x
  3. Step 3: Cross multiply
    683,014.73x = 942,541.57 × 377,085.56
  4. Step 4: Simplify right side
    683,014.73x = 355,418,811,505.38
  5. Step 5: Solve for x
    x = 355,418,811,505.38/683,014.73
  6. Step 6: Final answer
    x = 520,367.71

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Half scale
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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.