Home / 1,313,634.51-1,812,815.64-710,022.51

Finding the Fourth Proportional to 1,313,634.51, 1,812,815.64 and 710,022.51

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Solution

The fourth proportional to 1,313,634.51, 1,812,815.64 and 710,022.51 is: 979,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,634.51 : 1,812,815.64 = 710,022.51 : x
  2. Step 2: Convert to fraction form
    1,313,634.51/1,812,815.64 = 710,022.51/x
  3. Step 3: Cross multiply
    1,313,634.51x = 1,812,815.64 × 710,022.51
  4. Step 4: Simplify right side
    1,313,634.51x = 1,287,139,910,880.06
  5. Step 5: Solve for x
    x = 1,287,139,910,880.06/1,313,634.51
  6. Step 6: Final answer
    x = 979,831.07

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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.