Home / 1,226,637.68-1,839,289.06-427,705.52

Finding the Fourth Proportional to 1,226,637.68, 1,839,289.06 and 427,705.52

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Solution

The fourth proportional to 1,226,637.68, 1,839,289.06 and 427,705.52 is: 641,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,637.68 : 1,839,289.06 = 427,705.52 : x
  2. Step 2: Convert to fraction form
    1,226,637.68/1,839,289.06 = 427,705.52/x
  3. Step 3: Cross multiply
    1,226,637.68x = 1,839,289.06 × 427,705.52
  4. Step 4: Simplify right side
    1,226,637.68x = 786,674,083,837.61
  5. Step 5: Solve for x
    x = 786,674,083,837.61/1,226,637.68
  6. Step 6: Final answer
    x = 641,325.55

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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.