Home / 692,133.96-1,038,194.40-218,819.28

Finding the Fourth Proportional to 692,133.96, 1,038,194.40 and 218,819.28

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Solution

The fourth proportional to 692,133.96, 1,038,194.40 and 218,819.28 is: 328,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,133.96 : 1,038,194.40 = 218,819.28 : x
  2. Step 2: Convert to fraction form
    692,133.96/1,038,194.40 = 218,819.28/x
  3. Step 3: Cross multiply
    692,133.96x = 1,038,194.40 × 218,819.28
  4. Step 4: Simplify right side
    692,133.96x = 227,176,951,108.03
  5. Step 5: Solve for x
    x = 227,176,951,108.03/692,133.96
  6. Step 6: Final answer
    x = 328,226.85

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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.