Home / 1,783,318.80-2,460,979.72-1,019,388.72

Finding the Fourth Proportional to 1,783,318.80, 2,460,979.72 and 1,019,388.72

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Solution

The fourth proportional to 1,783,318.80, 2,460,979.72 and 1,019,388.72 is: 1,406,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,318.80 : 2,460,979.72 = 1,019,388.72 : x
  2. Step 2: Convert to fraction form
    1,783,318.80/2,460,979.72 = 1,019,388.72/x
  3. Step 3: Cross multiply
    1,783,318.80x = 2,460,979.72 × 1,019,388.72
  4. Step 4: Simplify right side
    1,783,318.80x = 2,508,694,966,716.76
  5. Step 5: Solve for x
    x = 2,508,694,966,716.76/1,783,318.80
  6. Step 6: Final answer
    x = 1,406,756.31

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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.