Home / 1,215,903.79-1,823,949.84-406,291.01

Finding the Fourth Proportional to 1,215,903.79, 1,823,949.84 and 406,291.01

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Solution

The fourth proportional to 1,215,903.79, 1,823,949.84 and 406,291.01 is: 609,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,903.79 : 1,823,949.84 = 406,291.01 : x
  2. Step 2: Convert to fraction form
    1,215,903.79/1,823,949.84 = 406,291.01/x
  3. Step 3: Cross multiply
    1,215,903.79x = 1,823,949.84 × 406,291.01
  4. Step 4: Simplify right side
    1,215,903.79x = 741,054,422,682.94
  5. Step 5: Solve for x
    x = 741,054,422,682.94/1,215,903.79
  6. Step 6: Final answer
    x = 609,467.98

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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.