Home / 376,853.06-520,061.32-207,087.16

Finding the Fourth Proportional to 376,853.06, 520,061.32 and 207,087.16

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Solution

The fourth proportional to 376,853.06, 520,061.32 and 207,087.16 is: 285,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,853.06 : 520,061.32 = 207,087.16 : x
  2. Step 2: Convert to fraction form
    376,853.06/520,061.32 = 207,087.16/x
  3. Step 3: Cross multiply
    376,853.06x = 520,061.32 × 207,087.16
  4. Step 4: Simplify right side
    376,853.06x = 107,698,021,784.65
  5. Step 5: Solve for x
    x = 107,698,021,784.65/376,853.06
  6. Step 6: Final answer
    x = 285,782.53

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1.5x scale

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.