Home / 673,618.27-928,014.15-469,299.62

Finding the Fourth Proportional to 673,618.27, 928,014.15 and 469,299.62

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Solution

The fourth proportional to 673,618.27, 928,014.15 and 469,299.62 is: 646,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,618.27 : 928,014.15 = 469,299.62 : x
  2. Step 2: Convert to fraction form
    673,618.27/928,014.15 = 469,299.62/x
  3. Step 3: Cross multiply
    673,618.27x = 928,014.15 × 469,299.62
  4. Step 4: Simplify right side
    673,618.27x = 435,516,687,949.62
  5. Step 5: Solve for x
    x = 435,516,687,949.62/673,618.27
  6. Step 6: Final answer
    x = 646,533.37

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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.