Home / 520,975.38-780,927.10-236,863.56

Finding the Fourth Proportional to 520,975.38, 780,927.10 and 236,863.56

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Solution

The fourth proportional to 520,975.38, 780,927.10 and 236,863.56 is: 355,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,975.38 : 780,927.10 = 236,863.56 : x
  2. Step 2: Convert to fraction form
    520,975.38/780,927.10 = 236,863.56/x
  3. Step 3: Cross multiply
    520,975.38x = 780,927.10 × 236,863.56
  4. Step 4: Simplify right side
    520,975.38x = 184,973,173,006.48
  5. Step 5: Solve for x
    x = 184,973,173,006.48/520,975.38
  6. Step 6: Final answer
    x = 355,051.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.