Home / 648,523.04-894,976.96-406,815.84

Finding the Fourth Proportional to 648,523.04, 894,976.96 and 406,815.84

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Solution

The fourth proportional to 648,523.04, 894,976.96 and 406,815.84 is: 561,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,523.04 : 894,976.96 = 406,815.84 : x
  2. Step 2: Convert to fraction form
    648,523.04/894,976.96 = 406,815.84/x
  3. Step 3: Cross multiply
    648,523.04x = 894,976.96 × 406,815.84
  4. Step 4: Simplify right side
    648,523.04x = 364,090,803,763.05
  5. Step 5: Solve for x
    x = 364,090,803,763.05/648,523.04
  6. Step 6: Final answer
    x = 561,415.37

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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.