Home / 1,178,620.49-1,626,507.65-669,326.51

Finding the Fourth Proportional to 1,178,620.49, 1,626,507.65 and 669,326.51

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Solution

The fourth proportional to 1,178,620.49, 1,626,507.65 and 669,326.51 is: 923,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,620.49 : 1,626,507.65 = 669,326.51 : x
  2. Step 2: Convert to fraction form
    1,178,620.49/1,626,507.65 = 669,326.51/x
  3. Step 3: Cross multiply
    1,178,620.49x = 1,626,507.65 × 669,326.51
  4. Step 4: Simplify right side
    1,178,620.49x = 1,088,664,684,738.02
  5. Step 5: Solve for x
    x = 1,088,664,684,738.02/1,178,620.49
  6. Step 6: Final answer
    x = 923,677.04

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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.