Home / 1,720,075.28-2,373,562.61-1,012,724.49

Finding the Fourth Proportional to 1,720,075.28, 2,373,562.61 and 1,012,724.49

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Solution

The fourth proportional to 1,720,075.28, 2,373,562.61 and 1,012,724.49 is: 1,397,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,075.28 : 2,373,562.61 = 1,012,724.49 : x
  2. Step 2: Convert to fraction form
    1,720,075.28/2,373,562.61 = 1,012,724.49/x
  3. Step 3: Cross multiply
    1,720,075.28x = 2,373,562.61 × 1,012,724.49
  4. Step 4: Simplify right side
    1,720,075.28x = 2,403,764,977,978.98
  5. Step 5: Solve for x
    x = 2,403,764,977,978.98/1,720,075.28
  6. Step 6: Final answer
    x = 1,397,476.61

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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.