Home / 916,516.40-1,375,102.65-384,200.60

Finding the Fourth Proportional to 916,516.40, 1,375,102.65 and 384,200.60

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Solution

The fourth proportional to 916,516.40, 1,375,102.65 and 384,200.60 is: 576,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,516.40 : 1,375,102.65 = 384,200.60 : x
  2. Step 2: Convert to fraction form
    916,516.40/1,375,102.65 = 384,200.60/x
  3. Step 3: Cross multiply
    916,516.40x = 1,375,102.65 × 384,200.60
  4. Step 4: Simplify right side
    916,516.40x = 528,315,263,191.59
  5. Step 5: Solve for x
    x = 528,315,263,191.59/916,516.40
  6. Step 6: Final answer
    x = 576,438.42

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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.