Home / 673,943.92-928,462.00-469,624.05

Finding the Fourth Proportional to 673,943.92, 928,462.00 and 469,624.05

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Solution

The fourth proportional to 673,943.92, 928,462.00 and 469,624.05 is: 646,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,943.92 : 928,462.00 = 469,624.05 : x
  2. Step 2: Convert to fraction form
    673,943.92/928,462.00 = 469,624.05/x
  3. Step 3: Cross multiply
    673,943.92x = 928,462.00 × 469,624.05
  4. Step 4: Simplify right side
    673,943.92x = 436,028,082,362.98
  5. Step 5: Solve for x
    x = 436,028,082,362.98/673,943.92
  6. Step 6: Final answer
    x = 646,979.77

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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.