Home / 987,090.40-1,362,276.68-599,816.44

Finding the Fourth Proportional to 987,090.40, 1,362,276.68 and 599,816.44

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Solution

The fourth proportional to 987,090.40, 1,362,276.68 and 599,816.44 is: 827,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,090.40 : 1,362,276.68 = 599,816.44 : x
  2. Step 2: Convert to fraction form
    987,090.40/1,362,276.68 = 599,816.44/x
  3. Step 3: Cross multiply
    987,090.40x = 1,362,276.68 × 599,816.44
  4. Step 4: Simplify right side
    987,090.40x = 817,115,950,570.35
  5. Step 5: Solve for x
    x = 817,115,950,570.35/987,090.40
  6. Step 6: Final answer
    x = 827,802.55

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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.