Home / 1,317,315.65-1,816,892.55-1,133,866.45

Finding the Fourth Proportional to 1,317,315.65, 1,816,892.55 and 1,133,866.45

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Solution

The fourth proportional to 1,317,315.65, 1,816,892.55 and 1,133,866.45 is: 1,563,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,315.65 : 1,816,892.55 = 1,133,866.45 : x
  2. Step 2: Convert to fraction form
    1,317,315.65/1,816,892.55 = 1,133,866.45/x
  3. Step 3: Cross multiply
    1,317,315.65x = 1,816,892.55 × 1,133,866.45
  4. Step 4: Simplify right side
    1,317,315.65x = 2,060,113,505,699.95
  5. Step 5: Solve for x
    x = 2,060,113,505,699.95/1,317,315.65
  6. Step 6: Final answer
    x = 1,563,872.34

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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.