Home / 698,219.91-1,047,328.29-185,885.19

Finding the Fourth Proportional to 698,219.91, 1,047,328.29 and 185,885.19

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Solution

The fourth proportional to 698,219.91, 1,047,328.29 and 185,885.19 is: 278,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,219.91 : 1,047,328.29 = 185,885.19 : x
  2. Step 2: Convert to fraction form
    698,219.91/1,047,328.29 = 185,885.19/x
  3. Step 3: Cross multiply
    698,219.91x = 1,047,328.29 × 185,885.19
  4. Step 4: Simplify right side
    698,219.91x = 194,682,818,179.03
  5. Step 5: Solve for x
    x = 194,682,818,179.03/698,219.91
  6. Step 6: Final answer
    x = 278,827.37

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Double scale
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Similar ratio
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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.