Home / 623,968.21-861,076.20-337,488.31

Finding the Fourth Proportional to 623,968.21, 861,076.20 and 337,488.31

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Solution

The fourth proportional to 623,968.21, 861,076.20 and 337,488.31 is: 465,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,968.21 : 861,076.20 = 337,488.31 : x
  2. Step 2: Convert to fraction form
    623,968.21/861,076.20 = 337,488.31/x
  3. Step 3: Cross multiply
    623,968.21x = 861,076.20 × 337,488.31
  4. Step 4: Simplify right side
    623,968.21x = 290,603,152,406.33
  5. Step 5: Solve for x
    x = 290,603,152,406.33/623,968.21
  6. Step 6: Final answer
    x = 465,733.91

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1.5x scale

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.