Home / 426,838.10-589,038.12-233,245.82

Finding the Fourth Proportional to 426,838.10, 589,038.12 and 233,245.82

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Solution

The fourth proportional to 426,838.10, 589,038.12 and 233,245.82 is: 321,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,838.10 : 589,038.12 = 233,245.82 : x
  2. Step 2: Convert to fraction form
    426,838.10/589,038.12 = 233,245.82/x
  3. Step 3: Cross multiply
    426,838.10x = 589,038.12 × 233,245.82
  4. Step 4: Simplify right side
    426,838.10x = 137,390,679,310.66
  5. Step 5: Solve for x
    x = 137,390,679,310.66/426,838.10
  6. Step 6: Final answer
    x = 321,880.07

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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.