Home / 1,368,898.35-2,051,899.54-515,600.81

Finding the Fourth Proportional to 1,368,898.35, 2,051,899.54 and 515,600.81

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Solution

The fourth proportional to 1,368,898.35, 2,051,899.54 and 515,600.81 is: 772,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,898.35 : 2,051,899.54 = 515,600.81 : x
  2. Step 2: Convert to fraction form
    1,368,898.35/2,051,899.54 = 515,600.81/x
  3. Step 3: Cross multiply
    1,368,898.35x = 2,051,899.54 × 515,600.81
  4. Step 4: Simplify right side
    1,368,898.35x = 1,057,961,064,862.63
  5. Step 5: Solve for x
    x = 1,057,961,064,862.63/1,368,898.35
  6. Step 6: Final answer
    x = 772,855.83

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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.