Home / 673,390.08-1,007,873.01-512,598.06

Finding the Fourth Proportional to 673,390.08, 1,007,873.01 and 512,598.06

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Solution

The fourth proportional to 673,390.08, 1,007,873.01 and 512,598.06 is: 767,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,390.08 : 1,007,873.01 = 512,598.06 : x
  2. Step 2: Convert to fraction form
    673,390.08/1,007,873.01 = 512,598.06/x
  3. Step 3: Cross multiply
    673,390.08x = 1,007,873.01 × 512,598.06
  4. Step 4: Simplify right side
    673,390.08x = 516,633,749,652.36
  5. Step 5: Solve for x
    x = 516,633,749,652.36/673,390.08
  6. Step 6: Final answer
    x = 767,213.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.