Home / 877,652.10-1,315,441.35-372,212.10

Finding the Fourth Proportional to 877,652.10, 1,315,441.35 and 372,212.10

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Solution

The fourth proportional to 877,652.10, 1,315,441.35 and 372,212.10 is: 557,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,652.10 : 1,315,441.35 = 372,212.10 : x
  2. Step 2: Convert to fraction form
    877,652.10/1,315,441.35 = 372,212.10/x
  3. Step 3: Cross multiply
    877,652.10x = 1,315,441.35 × 372,212.10
  4. Step 4: Simplify right side
    877,652.10x = 489,623,187,310.34
  5. Step 5: Solve for x
    x = 489,623,187,310.34/877,652.10
  6. Step 6: Final answer
    x = 557,878.44

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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.