Home / 1,215,607.12-1,823,434.14-374,158

Finding the Fourth Proportional to 1,215,607.12, 1,823,434.14 and 374,158

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Solution

The fourth proportional to 1,215,607.12, 1,823,434.14 and 374,158 is: 561,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,607.12 : 1,823,434.14 = 374,158 : x
  2. Step 2: Convert to fraction form
    1,215,607.12/1,823,434.14 = 374,158/x
  3. Step 3: Cross multiply
    1,215,607.12x = 1,823,434.14 × 374,158
  4. Step 4: Simplify right side
    1,215,607.12x = 682,252,470,954.12
  5. Step 5: Solve for x
    x = 682,252,470,954.12/1,215,607.12
  6. Step 6: Final answer
    x = 561,244.22

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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.