Home / 673,511.38-929,438.43-367,585.28

Finding the Fourth Proportional to 673,511.38, 929,438.43 and 367,585.28

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Solution

The fourth proportional to 673,511.38, 929,438.43 and 367,585.28 is: 507,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,511.38 : 929,438.43 = 367,585.28 : x
  2. Step 2: Convert to fraction form
    673,511.38/929,438.43 = 367,585.28/x
  3. Step 3: Cross multiply
    673,511.38x = 929,438.43 × 367,585.28
  4. Step 4: Simplify right side
    673,511.38x = 341,647,879,508.67
  5. Step 5: Solve for x
    x = 341,647,879,508.67/673,511.38
  6. Step 6: Final answer
    x = 507,263.71

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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.