Home / 1,415,439.43-1,953,361.70-803,649.11

Finding the Fourth Proportional to 1,415,439.43, 1,953,361.70 and 803,649.11

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Solution

The fourth proportional to 1,415,439.43, 1,953,361.70 and 803,649.11 is: 1,109,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,439.43 : 1,953,361.70 = 803,649.11 : x
  2. Step 2: Convert to fraction form
    1,415,439.43/1,953,361.70 = 803,649.11/x
  3. Step 3: Cross multiply
    1,415,439.43x = 1,953,361.70 × 803,649.11
  4. Step 4: Simplify right side
    1,415,439.43x = 1,569,817,391,713.09
  5. Step 5: Solve for x
    x = 1,569,817,391,713.09/1,415,439.43
  6. Step 6: Final answer
    x = 1,109,067.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.