Home / 484,111.12-668,069.58-266,315.08

Finding the Fourth Proportional to 484,111.12, 668,069.58 and 266,315.08

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Solution

The fourth proportional to 484,111.12, 668,069.58 and 266,315.08 is: 367,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,111.12 : 668,069.58 = 266,315.08 : x
  2. Step 2: Convert to fraction form
    484,111.12/668,069.58 = 266,315.08/x
  3. Step 3: Cross multiply
    484,111.12x = 668,069.58 × 266,315.08
  4. Step 4: Simplify right side
    484,111.12x = 177,917,003,643.27
  5. Step 5: Solve for x
    x = 177,917,003,643.27/484,111.12
  6. Step 6: Final answer
    x = 367,512.74

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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.