Home / 1,144,037.79-1,578,767.80-627,800.37

Finding the Fourth Proportional to 1,144,037.79, 1,578,767.80 and 627,800.37

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Solution

The fourth proportional to 1,144,037.79, 1,578,767.80 and 627,800.37 is: 866,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,037.79 : 1,578,767.80 = 627,800.37 : x
  2. Step 2: Convert to fraction form
    1,144,037.79/1,578,767.80 = 627,800.37/x
  3. Step 3: Cross multiply
    1,144,037.79x = 1,578,767.80 × 627,800.37
  4. Step 4: Simplify right side
    1,144,037.79x = 991,151,008,984.09
  5. Step 5: Solve for x
    x = 991,151,008,984.09/1,144,037.79
  6. Step 6: Final answer
    x = 866,362.12

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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.