Home / 1,286,718.93-1,775,884.95-713,943.63

Finding the Fourth Proportional to 1,286,718.93, 1,775,884.95 and 713,943.63

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Solution

The fourth proportional to 1,286,718.93, 1,775,884.95 and 713,943.63 is: 985,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,718.93 : 1,775,884.95 = 713,943.63 : x
  2. Step 2: Convert to fraction form
    1,286,718.93/1,775,884.95 = 713,943.63/x
  3. Step 3: Cross multiply
    1,286,718.93x = 1,775,884.95 × 713,943.63
  4. Step 4: Simplify right side
    1,286,718.93x = 1,267,881,747,665.37
  5. Step 5: Solve for x
    x = 1,267,881,747,665.37/1,286,718.93
  6. Step 6: Final answer
    x = 985,360.30

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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.