Home / 883,865.05-1,219,642.89-496,618.94

Finding the Fourth Proportional to 883,865.05, 1,219,642.89 and 496,618.94

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Solution

The fourth proportional to 883,865.05, 1,219,642.89 and 496,618.94 is: 685,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,865.05 : 1,219,642.89 = 496,618.94 : x
  2. Step 2: Convert to fraction form
    883,865.05/1,219,642.89 = 496,618.94/x
  3. Step 3: Cross multiply
    883,865.05x = 1,219,642.89 × 496,618.94
  4. Step 4: Simplify right side
    883,865.05x = 605,697,756,966.88
  5. Step 5: Solve for x
    x = 605,697,756,966.88/883,865.05
  6. Step 6: Final answer
    x = 685,283.07

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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.