Home / 505,822.08-697,924.44-301,779.84

Finding the Fourth Proportional to 505,822.08, 697,924.44 and 301,779.84

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Solution

The fourth proportional to 505,822.08, 697,924.44 and 301,779.84 is: 416,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,822.08 : 697,924.44 = 301,779.84 : x
  2. Step 2: Convert to fraction form
    505,822.08/697,924.44 = 301,779.84/x
  3. Step 3: Cross multiply
    505,822.08x = 697,924.44 × 301,779.84
  4. Step 4: Simplify right side
    505,822.08x = 210,619,525,835.29
  5. Step 5: Solve for x
    x = 210,619,525,835.29/505,822.08
  6. Step 6: Final answer
    x = 416,390.53

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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.