Home / 673,328.16-1,009,819.44-199,903.68

Finding the Fourth Proportional to 673,328.16, 1,009,819.44 and 199,903.68

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Solution

The fourth proportional to 673,328.16, 1,009,819.44 and 199,903.68 is: 299,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,328.16 : 1,009,819.44 = 199,903.68 : x
  2. Step 2: Convert to fraction form
    673,328.16/1,009,819.44 = 199,903.68/x
  3. Step 3: Cross multiply
    673,328.16x = 1,009,819.44 × 199,903.68
  4. Step 4: Simplify right side
    673,328.16x = 201,866,622,191.54
  5. Step 5: Solve for x
    x = 201,866,622,191.54/673,328.16
  6. Step 6: Final answer
    x = 299,804.22

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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.