Home / 1,222,671.51-1,833,417.38-512,508.87

Finding the Fourth Proportional to 1,222,671.51, 1,833,417.38 and 512,508.87

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Solution

The fourth proportional to 1,222,671.51, 1,833,417.38 and 512,508.87 is: 768,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,671.51 : 1,833,417.38 = 512,508.87 : x
  2. Step 2: Convert to fraction form
    1,222,671.51/1,833,417.38 = 512,508.87/x
  3. Step 3: Cross multiply
    1,222,671.51x = 1,833,417.38 × 512,508.87
  4. Step 4: Simplify right side
    1,222,671.51x = 939,642,670,943.43
  5. Step 5: Solve for x
    x = 939,642,670,943.43/1,222,671.51
  6. Step 6: Final answer
    x = 768,516.04

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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.