Home / 1,213,645.36-1,819,869-371,994.16

Finding the Fourth Proportional to 1,213,645.36, 1,819,869 and 371,994.16

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Solution

The fourth proportional to 1,213,645.36, 1,819,869 and 371,994.16 is: 557,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,645.36 : 1,819,869 = 371,994.16 : x
  2. Step 2: Convert to fraction form
    1,213,645.36/1,819,869 = 371,994.16/x
  3. Step 3: Cross multiply
    1,213,645.36x = 1,819,869 × 371,994.16
  4. Step 4: Simplify right side
    1,213,645.36x = 676,980,639,965.04
  5. Step 5: Solve for x
    x = 676,980,639,965.04/1,213,645.36
  6. Step 6: Final answer
    x = 557,807.63

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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.