Home / 405,599.28-559,557.86-233,476.05

Finding the Fourth Proportional to 405,599.28, 559,557.86 and 233,476.05

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Solution

The fourth proportional to 405,599.28, 559,557.86 and 233,476.05 is: 322,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,599.28 : 559,557.86 = 233,476.05 : x
  2. Step 2: Convert to fraction form
    405,599.28/559,557.86 = 233,476.05/x
  3. Step 3: Cross multiply
    405,599.28x = 559,557.86 × 233,476.05
  4. Step 4: Simplify right side
    405,599.28x = 130,643,357,731.87
  5. Step 5: Solve for x
    x = 130,643,357,731.87/405,599.28
  6. Step 6: Final answer
    x = 322,099.58

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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.