Home / 1,640,115.27-2,460,347.87-693,581.67

Finding the Fourth Proportional to 1,640,115.27, 2,460,347.87 and 693,581.67

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Solution

The fourth proportional to 1,640,115.27, 2,460,347.87 and 693,581.67 is: 1,040,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,115.27 : 2,460,347.87 = 693,581.67 : x
  2. Step 2: Convert to fraction form
    1,640,115.27/2,460,347.87 = 693,581.67/x
  3. Step 3: Cross multiply
    1,640,115.27x = 2,460,347.87 × 693,581.67
  4. Step 4: Simplify right side
    1,640,115.27x = 1,706,452,180,987.63
  5. Step 5: Solve for x
    x = 1,706,452,180,987.63/1,640,115.27
  6. Step 6: Final answer
    x = 1,040,446.49

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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.