Home / 639,552.37-882,568.01-349,152.79

Finding the Fourth Proportional to 639,552.37, 882,568.01 and 349,152.79

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Solution

The fourth proportional to 639,552.37, 882,568.01 and 349,152.79 is: 481,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,552.37 : 882,568.01 = 349,152.79 : x
  2. Step 2: Convert to fraction form
    639,552.37/882,568.01 = 349,152.79/x
  3. Step 3: Cross multiply
    639,552.37x = 882,568.01 × 349,152.79
  4. Step 4: Simplify right side
    639,552.37x = 308,151,076,897.64
  5. Step 5: Solve for x
    x = 308,151,076,897.64/639,552.37
  6. Step 6: Final answer
    x = 481,823.06

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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.