Home / 376,619.83-519,608.91-213,254.01

Finding the Fourth Proportional to 376,619.83, 519,608.91 and 213,254.01

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Solution

The fourth proportional to 376,619.83, 519,608.91 and 213,254.01 is: 294,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,619.83 : 519,608.91 = 213,254.01 : x
  2. Step 2: Convert to fraction form
    376,619.83/519,608.91 = 213,254.01/x
  3. Step 3: Cross multiply
    376,619.83x = 519,608.91 × 213,254.01
  4. Step 4: Simplify right side
    376,619.83x = 110,808,681,207.56
  5. Step 5: Solve for x
    x = 110,808,681,207.56/376,619.83
  6. Step 6: Final answer
    x = 294,218.92

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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.