Home / 1,143,607.68-1,578,043.20-634,185.60

Finding the Fourth Proportional to 1,143,607.68, 1,578,043.20 and 634,185.60

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Solution

The fourth proportional to 1,143,607.68, 1,578,043.20 and 634,185.60 is: 875,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,607.68 : 1,578,043.20 = 634,185.60 : x
  2. Step 2: Convert to fraction form
    1,143,607.68/1,578,043.20 = 634,185.60/x
  3. Step 3: Cross multiply
    1,143,607.68x = 1,578,043.20 × 634,185.60
  4. Step 4: Simplify right side
    1,143,607.68x = 1,000,772,273,617.92
  5. Step 5: Solve for x
    x = 1,000,772,273,617.92/1,143,607.68
  6. Step 6: Final answer
    x = 875,101.04

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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.