Home / 822,207.90-1,232,495.37-395,655.42

Finding the Fourth Proportional to 822,207.90, 1,232,495.37 and 395,655.42

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Solution

The fourth proportional to 822,207.90, 1,232,495.37 and 395,655.42 is: 593,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,207.90 : 1,232,495.37 = 395,655.42 : x
  2. Step 2: Convert to fraction form
    822,207.90/1,232,495.37 = 395,655.42/x
  3. Step 3: Cross multiply
    822,207.90x = 1,232,495.37 × 395,655.42
  4. Step 4: Simplify right side
    822,207.90x = 487,643,473,265.41
  5. Step 5: Solve for x
    x = 487,643,473,265.41/822,207.90
  6. Step 6: Final answer
    x = 593,090.23

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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.