Home / 683,033.52-942,581.82-377,128.92

Finding the Fourth Proportional to 683,033.52, 942,581.82 and 377,128.92

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Solution

The fourth proportional to 683,033.52, 942,581.82 and 377,128.92 is: 520,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,033.52 : 942,581.82 = 377,128.92 : x
  2. Step 2: Convert to fraction form
    683,033.52/942,581.82 = 377,128.92/x
  3. Step 3: Cross multiply
    683,033.52x = 942,581.82 × 377,128.92
  4. Step 4: Simplify right side
    683,033.52x = 355,474,863,788.23
  5. Step 5: Solve for x
    x = 355,474,863,788.23/683,033.52
  6. Step 6: Final answer
    x = 520,435.46

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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.