Home / 467,642.06-645,345.75-252,782.12

Finding the Fourth Proportional to 467,642.06, 645,345.75 and 252,782.12

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Solution

The fourth proportional to 467,642.06, 645,345.75 and 252,782.12 is: 348,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,642.06 : 645,345.75 = 252,782.12 : x
  2. Step 2: Convert to fraction form
    467,642.06/645,345.75 = 252,782.12/x
  3. Step 3: Cross multiply
    467,642.06x = 645,345.75 × 252,782.12
  4. Step 4: Simplify right side
    467,642.06x = 163,131,863,591.26
  5. Step 5: Solve for x
    x = 163,131,863,591.26/467,642.06
  6. Step 6: Final answer
    x = 348,839.16

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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.