Home / 1,416,243.08-1,954,390.72-771,668.60

Finding the Fourth Proportional to 1,416,243.08, 1,954,390.72 and 771,668.60

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Solution

The fourth proportional to 1,416,243.08, 1,954,390.72 and 771,668.60 is: 1,064,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,243.08 : 1,954,390.72 = 771,668.60 : x
  2. Step 2: Convert to fraction form
    1,416,243.08/1,954,390.72 = 771,668.60/x
  3. Step 3: Cross multiply
    1,416,243.08x = 1,954,390.72 × 771,668.60
  4. Step 4: Simplify right side
    1,416,243.08x = 1,508,141,950,755.39
  5. Step 5: Solve for x
    x = 1,508,141,950,755.39/1,416,243.08
  6. Step 6: Final answer
    x = 1,064,889.19

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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.