Home / 1,668,157.83-2,301,616.28-979,609.58

Finding the Fourth Proportional to 1,668,157.83, 2,301,616.28 and 979,609.58

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Solution

The fourth proportional to 1,668,157.83, 2,301,616.28 and 979,609.58 is: 1,351,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,157.83 : 2,301,616.28 = 979,609.58 : x
  2. Step 2: Convert to fraction form
    1,668,157.83/2,301,616.28 = 979,609.58/x
  3. Step 3: Cross multiply
    1,668,157.83x = 2,301,616.28 × 979,609.58
  4. Step 4: Simplify right side
    1,668,157.83x = 2,254,685,360,064.72
  5. Step 5: Solve for x
    x = 2,254,685,360,064.72/1,668,157.83
  6. Step 6: Final answer
    x = 1,351,601.94

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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.