Home / 673,262.08-929,147.20-386,896.32

Finding the Fourth Proportional to 673,262.08, 929,147.20 and 386,896.32

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Solution

The fourth proportional to 673,262.08, 929,147.20 and 386,896.32 is: 533,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,262.08 : 929,147.20 = 386,896.32 : x
  2. Step 2: Convert to fraction form
    673,262.08/929,147.20 = 386,896.32/x
  3. Step 3: Cross multiply
    673,262.08x = 929,147.20 × 386,896.32
  4. Step 4: Simplify right side
    673,262.08x = 359,483,632,418.30
  5. Step 5: Solve for x
    x = 359,483,632,418.30/673,262.08
  6. Step 6: Final answer
    x = 533,943.09

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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.