Home / 683,529.72-943,267.92-377,606.20

Finding the Fourth Proportional to 683,529.72, 943,267.92 and 377,606.20

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Solution

The fourth proportional to 683,529.72, 943,267.92 and 377,606.20 is: 521,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,529.72 : 943,267.92 = 377,606.20 : x
  2. Step 2: Convert to fraction form
    683,529.72/943,267.92 = 377,606.20/x
  3. Step 3: Cross multiply
    683,529.72x = 943,267.92 × 377,606.20
  4. Step 4: Simplify right side
    683,529.72x = 356,183,814,853.10
  5. Step 5: Solve for x
    x = 356,183,814,853.10/683,529.72
  6. Step 6: Final answer
    x = 521,094.85

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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.