Home / 1,972,579.43-2,959,037.81-693,075.69

Finding the Fourth Proportional to 1,972,579.43, 2,959,037.81 and 693,075.69

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Solution

The fourth proportional to 1,972,579.43, 2,959,037.81 and 693,075.69 is: 1,039,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,579.43 : 2,959,037.81 = 693,075.69 : x
  2. Step 2: Convert to fraction form
    1,972,579.43/2,959,037.81 = 693,075.69/x
  3. Step 3: Cross multiply
    1,972,579.43x = 2,959,037.81 × 693,075.69
  4. Step 4: Simplify right side
    1,972,579.43x = 2,050,837,171,901.84
  5. Step 5: Solve for x
    x = 2,050,837,171,901.84/1,972,579.43
  6. Step 6: Final answer
    x = 1,039,672.80

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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.