Home / 556,928.42-835,258.80-257,120.96

Finding the Fourth Proportional to 556,928.42, 835,258.80 and 257,120.96

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Solution

The fourth proportional to 556,928.42, 835,258.80 and 257,120.96 is: 385,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,928.42 : 835,258.80 = 257,120.96 : x
  2. Step 2: Convert to fraction form
    556,928.42/835,258.80 = 257,120.96/x
  3. Step 3: Cross multiply
    556,928.42x = 835,258.80 × 257,120.96
  4. Step 4: Simplify right side
    556,928.42x = 214,762,544,504.45
  5. Step 5: Solve for x
    x = 214,762,544,504.45/556,928.42
  6. Step 6: Final answer
    x = 385,619.65

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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.