Home / 405,032.06-559,012.48-235,364.60

Finding the Fourth Proportional to 405,032.06, 559,012.48 and 235,364.60

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Solution

The fourth proportional to 405,032.06, 559,012.48 and 235,364.60 is: 324,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,032.06 : 559,012.48 = 235,364.60 : x
  2. Step 2: Convert to fraction form
    405,032.06/559,012.48 = 235,364.60/x
  3. Step 3: Cross multiply
    405,032.06x = 559,012.48 × 235,364.60
  4. Step 4: Simplify right side
    405,032.06x = 131,571,748,750.21
  5. Step 5: Solve for x
    x = 131,571,748,750.21/405,032.06
  6. Step 6: Final answer
    x = 324,842.80

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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.