Home / 405,510.22-559,588.26-242,194.42

Finding the Fourth Proportional to 405,510.22, 559,588.26 and 242,194.42

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Solution

The fourth proportional to 405,510.22, 559,588.26 and 242,194.42 is: 334,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,510.22 : 559,588.26 = 242,194.42 : x
  2. Step 2: Convert to fraction form
    405,510.22/559,588.26 = 242,194.42/x
  3. Step 3: Cross multiply
    405,510.22x = 559,588.26 × 242,194.42
  4. Step 4: Simplify right side
    405,510.22x = 135,529,154,069.51
  5. Step 5: Solve for x
    x = 135,529,154,069.51/405,510.22
  6. Step 6: Final answer
    x = 334,218.84

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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.