Home / 519,877.46-717,350.01-293,518.10

Finding the Fourth Proportional to 519,877.46, 717,350.01 and 293,518.10

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Solution

The fourth proportional to 519,877.46, 717,350.01 and 293,518.10 is: 405,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,877.46 : 717,350.01 = 293,518.10 : x
  2. Step 2: Convert to fraction form
    519,877.46/717,350.01 = 293,518.10/x
  3. Step 3: Cross multiply
    519,877.46x = 717,350.01 × 293,518.10
  4. Step 4: Simplify right side
    519,877.46x = 210,555,208,383.43
  5. Step 5: Solve for x
    x = 210,555,208,383.43/519,877.46
  6. Step 6: Final answer
    x = 405,009.31

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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.