Home / 673,830.18-929,861.23-367,900.92

Finding the Fourth Proportional to 673,830.18, 929,861.23 and 367,900.92

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Solution

The fourth proportional to 673,830.18, 929,861.23 and 367,900.92 is: 507,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,830.18 : 929,861.23 = 367,900.92 : x
  2. Step 2: Convert to fraction form
    673,830.18/929,861.23 = 367,900.92/x
  3. Step 3: Cross multiply
    673,830.18x = 929,861.23 × 367,900.92
  4. Step 4: Simplify right side
    673,830.18x = 342,096,801,989.33
  5. Step 5: Solve for x
    x = 342,096,801,989.33/673,830.18
  6. Step 6: Final answer
    x = 507,689.94

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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.