Home / 692,169.20-1,038,059.40-218,999.60

Finding the Fourth Proportional to 692,169.20, 1,038,059.40 and 218,999.60

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Solution

The fourth proportional to 692,169.20, 1,038,059.40 and 218,999.60 is: 328,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,169.20 : 1,038,059.40 = 218,999.60 : x
  2. Step 2: Convert to fraction form
    692,169.20/1,038,059.40 = 218,999.60/x
  3. Step 3: Cross multiply
    692,169.20x = 1,038,059.40 × 218,999.60
  4. Step 4: Simplify right side
    692,169.20x = 227,334,593,376.24
  5. Step 5: Solve for x
    x = 227,334,593,376.24/692,169.20
  6. Step 6: Final answer
    x = 328,437.89

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1.5x scale

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.