Home / 673,629.24-929,585.08-401,556.72

Finding the Fourth Proportional to 673,629.24, 929,585.08 and 401,556.72

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Solution

The fourth proportional to 673,629.24, 929,585.08 and 401,556.72 is: 554,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,629.24 : 929,585.08 = 401,556.72 : x
  2. Step 2: Convert to fraction form
    673,629.24/929,585.08 = 401,556.72/x
  3. Step 3: Cross multiply
    673,629.24x = 929,585.08 × 401,556.72
  4. Step 4: Simplify right side
    673,629.24x = 373,281,135,685.74
  5. Step 5: Solve for x
    x = 373,281,135,685.74/673,629.24
  6. Step 6: Final answer
    x = 554,134.40

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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.