Home / 692,721.40-1,039,082.10-194,020.60

Finding the Fourth Proportional to 692,721.40, 1,039,082.10 and 194,020.60

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Solution

The fourth proportional to 692,721.40, 1,039,082.10 and 194,020.60 is: 291,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,721.40 : 1,039,082.10 = 194,020.60 : x
  2. Step 2: Convert to fraction form
    692,721.40/1,039,082.10 = 194,020.60/x
  3. Step 3: Cross multiply
    692,721.40x = 1,039,082.10 × 194,020.60
  4. Step 4: Simplify right side
    692,721.40x = 201,603,332,491.26
  5. Step 5: Solve for x
    x = 201,603,332,491.26/692,721.40
  6. Step 6: Final answer
    x = 291,030.90

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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.