Home / 1,147,091.70-1,719,631.50-436,647.18

Finding the Fourth Proportional to 1,147,091.70, 1,719,631.50 and 436,647.18

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Solution

The fourth proportional to 1,147,091.70, 1,719,631.50 and 436,647.18 is: 654,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,091.70 : 1,719,631.50 = 436,647.18 : x
  2. Step 2: Convert to fraction form
    1,147,091.70/1,719,631.50 = 436,647.18/x
  3. Step 3: Cross multiply
    1,147,091.70x = 1,719,631.50 × 436,647.18
  4. Step 4: Simplify right side
    1,147,091.70x = 750,872,245,114.17
  5. Step 5: Solve for x
    x = 750,872,245,114.17/1,147,091.70
  6. Step 6: Final answer
    x = 654,587.81

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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.