Home / 423,084.32-634,029.78-233,629.98

Finding the Fourth Proportional to 423,084.32, 634,029.78 and 233,629.98

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Solution

The fourth proportional to 423,084.32, 634,029.78 and 233,629.98 is: 350,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,084.32 : 634,029.78 = 233,629.98 : x
  2. Step 2: Convert to fraction form
    423,084.32/634,029.78 = 233,629.98/x
  3. Step 3: Cross multiply
    423,084.32x = 634,029.78 × 233,629.98
  4. Step 4: Simplify right side
    423,084.32x = 148,128,364,820.80
  5. Step 5: Solve for x
    x = 148,128,364,820.80/423,084.32
  6. Step 6: Final answer
    x = 350,115.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.