Home / 994,521.36-1,372,079.52-650,553.72

Finding the Fourth Proportional to 994,521.36, 1,372,079.52 and 650,553.72

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Solution

The fourth proportional to 994,521.36, 1,372,079.52 and 650,553.72 is: 897,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,521.36 : 1,372,079.52 = 650,553.72 : x
  2. Step 2: Convert to fraction form
    994,521.36/1,372,079.52 = 650,553.72/x
  3. Step 3: Cross multiply
    994,521.36x = 1,372,079.52 × 650,553.72
  4. Step 4: Simplify right side
    994,521.36x = 892,611,435,871.81
  5. Step 5: Solve for x
    x = 892,611,435,871.81/994,521.36
  6. Step 6: Final answer
    x = 897,528.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.