Home / 405,527.19-559,403.06-235,742.55

Finding the Fourth Proportional to 405,527.19, 559,403.06 and 235,742.55

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Solution

The fourth proportional to 405,527.19, 559,403.06 and 235,742.55 is: 325,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,527.19 : 559,403.06 = 235,742.55 : x
  2. Step 2: Convert to fraction form
    405,527.19/559,403.06 = 235,742.55/x
  3. Step 3: Cross multiply
    405,527.19x = 559,403.06 × 235,742.55
  4. Step 4: Simplify right side
    405,527.19x = 131,875,102,663.49
  5. Step 5: Solve for x
    x = 131,875,102,663.49/405,527.19
  6. Step 6: Final answer
    x = 325,194.23

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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.