Home / 1,015,991.47-1,402,131.12-563,282.47

Finding the Fourth Proportional to 1,015,991.47, 1,402,131.12 and 563,282.47

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Solution

The fourth proportional to 1,015,991.47, 1,402,131.12 and 563,282.47 is: 777,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,991.47 : 1,402,131.12 = 563,282.47 : x
  2. Step 2: Convert to fraction form
    1,015,991.47/1,402,131.12 = 563,282.47/x
  3. Step 3: Cross multiply
    1,015,991.47x = 1,402,131.12 × 563,282.47
  4. Step 4: Simplify right side
    1,015,991.47x = 789,795,880,177.82
  5. Step 5: Solve for x
    x = 789,795,880,177.82/1,015,991.47
  6. Step 6: Final answer
    x = 777,364.68

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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.