Home / 1,317,315.71-1,816,892.66-1,133,866.51

Finding the Fourth Proportional to 1,317,315.71, 1,816,892.66 and 1,133,866.51

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Solution

The fourth proportional to 1,317,315.71, 1,816,892.66 and 1,133,866.51 is: 1,563,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,315.71 : 1,816,892.66 = 1,133,866.51 : x
  2. Step 2: Convert to fraction form
    1,317,315.71/1,816,892.66 = 1,133,866.51/x
  3. Step 3: Cross multiply
    1,317,315.71x = 1,816,892.66 × 1,133,866.51
  4. Step 4: Simplify right side
    1,317,315.71x = 2,060,113,737,731.25
  5. Step 5: Solve for x
    x = 2,060,113,737,731.25/1,317,315.71
  6. Step 6: Final answer
    x = 1,563,872.44

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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.