Home / 1,149,224.06-1,585,688.60-665,760.38

Finding the Fourth Proportional to 1,149,224.06, 1,585,688.60 and 665,760.38

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Solution

The fourth proportional to 1,149,224.06, 1,585,688.60 and 665,760.38 is: 918,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,224.06 : 1,585,688.60 = 665,760.38 : x
  2. Step 2: Convert to fraction form
    1,149,224.06/1,585,688.60 = 665,760.38/x
  3. Step 3: Cross multiply
    1,149,224.06x = 1,585,688.60 × 665,760.38
  4. Step 4: Simplify right side
    1,149,224.06x = 1,055,688,633,640.42
  5. Step 5: Solve for x
    x = 1,055,688,633,640.42/1,149,224.06
  6. Step 6: Final answer
    x = 918,609.93

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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.