Home / 673,132.80-1,009,403.76-252,113.40

Finding the Fourth Proportional to 673,132.80, 1,009,403.76 and 252,113.40

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Solution

The fourth proportional to 673,132.80, 1,009,403.76 and 252,113.40 is: 378,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,132.80 : 1,009,403.76 = 252,113.40 : x
  2. Step 2: Convert to fraction form
    673,132.80/1,009,403.76 = 252,113.40/x
  3. Step 3: Cross multiply
    673,132.80x = 1,009,403.76 × 252,113.40
  4. Step 4: Simplify right side
    673,132.80x = 254,484,213,906.38
  5. Step 5: Solve for x
    x = 254,484,213,906.38/673,132.80
  6. Step 6: Final answer
    x = 378,059.45

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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.