Home / 947,982.98-1,308,221.14-518,263.13

Finding the Fourth Proportional to 947,982.98, 1,308,221.14 and 518,263.13

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Solution

The fourth proportional to 947,982.98, 1,308,221.14 and 518,263.13 is: 715,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,982.98 : 1,308,221.14 = 518,263.13 : x
  2. Step 2: Convert to fraction form
    947,982.98/1,308,221.14 = 518,263.13/x
  3. Step 3: Cross multiply
    947,982.98x = 1,308,221.14 × 518,263.13
  4. Step 4: Simplify right side
    947,982.98x = 678,002,782,748.57
  5. Step 5: Solve for x
    x = 678,002,782,748.57/947,982.98
  6. Step 6: Final answer
    x = 715,205.65

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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.