Home / 1,416,412.52-1,954,651.77-771,832.71

Finding the Fourth Proportional to 1,416,412.52, 1,954,651.77 and 771,832.71

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Solution

The fourth proportional to 1,416,412.52, 1,954,651.77 and 771,832.71 is: 1,065,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,412.52 : 1,954,651.77 = 771,832.71 : x
  2. Step 2: Convert to fraction form
    1,416,412.52/1,954,651.77 = 771,832.71/x
  3. Step 3: Cross multiply
    1,416,412.52x = 1,954,651.77 × 771,832.71
  4. Step 4: Simplify right side
    1,416,412.52x = 1,508,664,172,745.40
  5. Step 5: Solve for x
    x = 1,508,664,172,745.40/1,416,412.52
  6. Step 6: Final answer
    x = 1,065,130.50

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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.