Home / 483,155.04-666,851.88-279,214.56

Finding the Fourth Proportional to 483,155.04, 666,851.88 and 279,214.56

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Solution

The fourth proportional to 483,155.04, 666,851.88 and 279,214.56 is: 385,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,155.04 : 666,851.88 = 279,214.56 : x
  2. Step 2: Convert to fraction form
    483,155.04/666,851.88 = 279,214.56/x
  3. Step 3: Cross multiply
    483,155.04x = 666,851.88 × 279,214.56
  4. Step 4: Simplify right side
    483,155.04x = 186,194,754,259.37
  5. Step 5: Solve for x
    x = 186,194,754,259.37/483,155.04
  6. Step 6: Final answer
    x = 385,372.68

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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.