Home / 1,345,993.52-2,019,888.12-698,166.77

Finding the Fourth Proportional to 1,345,993.52, 2,019,888.12 and 698,166.77

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Solution

The fourth proportional to 1,345,993.52, 2,019,888.12 and 698,166.77 is: 1,047,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,993.52 : 2,019,888.12 = 698,166.77 : x
  2. Step 2: Convert to fraction form
    1,345,993.52/2,019,888.12 = 698,166.77/x
  3. Step 3: Cross multiply
    1,345,993.52x = 2,019,888.12 × 698,166.77
  4. Step 4: Simplify right side
    1,345,993.52x = 1,410,218,754,402.33
  5. Step 5: Solve for x
    x = 1,410,218,754,402.33/1,345,993.52
  6. Step 6: Final answer
    x = 1,047,715.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.