Home / 1,147,105.84-1,582,996.44-637,803.76

Finding the Fourth Proportional to 1,147,105.84, 1,582,996.44 and 637,803.76

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Solution

The fourth proportional to 1,147,105.84, 1,582,996.44 and 637,803.76 is: 880,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,105.84 : 1,582,996.44 = 637,803.76 : x
  2. Step 2: Convert to fraction form
    1,147,105.84/1,582,996.44 = 637,803.76/x
  3. Step 3: Cross multiply
    1,147,105.84x = 1,582,996.44 × 637,803.76
  4. Step 4: Simplify right side
    1,147,105.84x = 1,009,641,081,498.61
  5. Step 5: Solve for x
    x = 1,009,641,081,498.61/1,147,105.84
  6. Step 6: Final answer
    x = 880,163.84

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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.