Home / 484,319.48-668,344.06-266,507.80

Finding the Fourth Proportional to 484,319.48, 668,344.06 and 266,507.80

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Solution

The fourth proportional to 484,319.48, 668,344.06 and 266,507.80 is: 367,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,319.48 : 668,344.06 = 266,507.80 : x
  2. Step 2: Convert to fraction form
    484,319.48/668,344.06 = 266,507.80/x
  3. Step 3: Cross multiply
    484,319.48x = 668,344.06 × 266,507.80
  4. Step 4: Simplify right side
    484,319.48x = 178,118,905,073.67
  5. Step 5: Solve for x
    x = 178,118,905,073.67/484,319.48
  6. Step 6: Final answer
    x = 367,771.51

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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.