Home / 1,819,719.29-2,729,928.87-697,700.81

Finding the Fourth Proportional to 1,819,719.29, 2,729,928.87 and 697,700.81

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Solution

The fourth proportional to 1,819,719.29, 2,729,928.87 and 697,700.81 is: 1,046,685.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,719.29 : 2,729,928.87 = 697,700.81 : x
  2. Step 2: Convert to fraction form
    1,819,719.29/2,729,928.87 = 697,700.81/x
  3. Step 3: Cross multiply
    1,819,719.29x = 2,729,928.87 × 697,700.81
  4. Step 4: Simplify right side
    1,819,719.29x = 1,904,673,590,666.21
  5. Step 5: Solve for x
    x = 1,904,673,590,666.21/1,819,719.29
  6. Step 6: Final answer
    x = 1,046,685.39

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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.