Home / 698,705.80-1,047,866.70-193,146.76

Finding the Fourth Proportional to 698,705.80, 1,047,866.70 and 193,146.76

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Solution

The fourth proportional to 698,705.80, 1,047,866.70 and 193,146.76 is: 289,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,705.80 : 1,047,866.70 = 193,146.76 : x
  2. Step 2: Convert to fraction form
    698,705.80/1,047,866.70 = 193,146.76/x
  3. Step 3: Cross multiply
    698,705.80x = 1,047,866.70 × 193,146.76
  4. Step 4: Simplify right side
    698,705.80x = 202,392,058,016.89
  5. Step 5: Solve for x
    x = 202,392,058,016.89/698,705.80
  6. Step 6: Final answer
    x = 289,667.06

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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.