Home / 516,840.40-774,684.60-201,192.40

Finding the Fourth Proportional to 516,840.40, 774,684.60 and 201,192.40

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Solution

The fourth proportional to 516,840.40, 774,684.60 and 201,192.40 is: 301,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,840.40 : 774,684.60 = 201,192.40 : x
  2. Step 2: Convert to fraction form
    516,840.40/774,684.60 = 201,192.40/x
  3. Step 3: Cross multiply
    516,840.40x = 774,684.60 × 201,192.40
  4. Step 4: Simplify right side
    516,840.40x = 155,860,653,917.04
  5. Step 5: Solve for x
    x = 155,860,653,917.04/516,840.40
  6. Step 6: Final answer
    x = 301,564.38

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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.