Home / 1,742,806.81-2,405,025.39-968,417.61

Finding the Fourth Proportional to 1,742,806.81, 2,405,025.39 and 968,417.61

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Solution

The fourth proportional to 1,742,806.81, 2,405,025.39 and 968,417.61 is: 1,336,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,806.81 : 2,405,025.39 = 968,417.61 : x
  2. Step 2: Convert to fraction form
    1,742,806.81/2,405,025.39 = 968,417.61/x
  3. Step 3: Cross multiply
    1,742,806.81x = 2,405,025.39 × 968,417.61
  4. Step 4: Simplify right side
    1,742,806.81x = 2,329,068,940,173.12
  5. Step 5: Solve for x
    x = 2,329,068,940,173.12/1,742,806.81
  6. Step 6: Final answer
    x = 1,336,389.63

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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.