Home / 556,558.20-768,050.55-314,835.60

Finding the Fourth Proportional to 556,558.20, 768,050.55 and 314,835.60

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Solution

The fourth proportional to 556,558.20, 768,050.55 and 314,835.60 is: 434,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,558.20 : 768,050.55 = 314,835.60 : x
  2. Step 2: Convert to fraction form
    556,558.20/768,050.55 = 314,835.60/x
  3. Step 3: Cross multiply
    556,558.20x = 768,050.55 × 314,835.60
  4. Step 4: Simplify right side
    556,558.20x = 241,809,655,739.58
  5. Step 5: Solve for x
    x = 241,809,655,739.58/556,558.20
  6. Step 6: Final answer
    x = 434,473.26

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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.