Home / 405,746.15-559,971.28-233,670.56

Finding the Fourth Proportional to 405,746.15, 559,971.28 and 233,670.56

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Solution

The fourth proportional to 405,746.15, 559,971.28 and 233,670.56 is: 322,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,746.15 : 559,971.28 = 233,670.56 : x
  2. Step 2: Convert to fraction form
    405,746.15/559,971.28 = 233,670.56/x
  3. Step 3: Cross multiply
    405,746.15x = 559,971.28 × 233,670.56
  4. Step 4: Simplify right side
    405,746.15x = 130,848,798,759.35
  5. Step 5: Solve for x
    x = 130,848,798,759.35/405,746.15
  6. Step 6: Final answer
    x = 322,489.32

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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.