Home / 1,155,145.57-1,740,516.51-957,147.93

Finding the Fourth Proportional to 1,155,145.57, 1,740,516.51 and 957,147.93

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Solution

The fourth proportional to 1,155,145.57, 1,740,516.51 and 957,147.93 is: 1,442,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,145.57 : 1,740,516.51 = 957,147.93 : x
  2. Step 2: Convert to fraction form
    1,155,145.57/1,740,516.51 = 957,147.93/x
  3. Step 3: Cross multiply
    1,155,145.57x = 1,740,516.51 × 957,147.93
  4. Step 4: Simplify right side
    1,155,145.57x = 1,665,931,767,933.16
  5. Step 5: Solve for x
    x = 1,665,931,767,933.16/1,155,145.57
  6. Step 6: Final answer
    x = 1,442,183.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.