Home / 1,286,075.56-1,774,781.22-713,101

Finding the Fourth Proportional to 1,286,075.56, 1,774,781.22 and 713,101

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Solution

The fourth proportional to 1,286,075.56, 1,774,781.22 and 713,101 is: 984,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,075.56 : 1,774,781.22 = 713,101 : x
  2. Step 2: Convert to fraction form
    1,286,075.56/1,774,781.22 = 713,101/x
  3. Step 3: Cross multiply
    1,286,075.56x = 1,774,781.22 × 713,101
  4. Step 4: Simplify right side
    1,286,075.56x = 1,265,598,262,763.22
  5. Step 5: Solve for x
    x = 1,265,598,262,763.22/1,286,075.56
  6. Step 6: Final answer
    x = 984,077.69

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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.