Home / 556,919.81-835,245.85-257,112.42

Finding the Fourth Proportional to 556,919.81, 835,245.85 and 257,112.42

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Solution

The fourth proportional to 556,919.81, 835,245.85 and 257,112.42 is: 385,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,919.81 : 835,245.85 = 257,112.42 : x
  2. Step 2: Convert to fraction form
    556,919.81/835,245.85 = 257,112.42/x
  3. Step 3: Cross multiply
    556,919.81x = 835,245.85 × 257,112.42
  4. Step 4: Simplify right side
    556,919.81x = 214,752,081,788.46
  5. Step 5: Solve for x
    x = 214,752,081,788.46/556,919.81
  6. Step 6: Final answer
    x = 385,606.83

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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.