Home / 639,541.70-882,544.41-353,055.64

Finding the Fourth Proportional to 639,541.70, 882,544.41 and 353,055.64

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Solution

The fourth proportional to 639,541.70, 882,544.41 and 353,055.64 is: 487,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,541.70 : 882,544.41 = 353,055.64 : x
  2. Step 2: Convert to fraction form
    639,541.70/882,544.41 = 353,055.64/x
  3. Step 3: Cross multiply
    639,541.70x = 882,544.41 × 353,055.64
  4. Step 4: Simplify right side
    639,541.70x = 311,587,277,088.25
  5. Step 5: Solve for x
    x = 311,587,277,088.25/639,541.70
  6. Step 6: Final answer
    x = 487,204.00

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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.