Home / 736,620.60-1,104,930.90-381,743.40

Finding the Fourth Proportional to 736,620.60, 1,104,930.90 and 381,743.40

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Solution

The fourth proportional to 736,620.60, 1,104,930.90 and 381,743.40 is: 572,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,620.60 : 1,104,930.90 = 381,743.40 : x
  2. Step 2: Convert to fraction form
    736,620.60/1,104,930.90 = 381,743.40/x
  3. Step 3: Cross multiply
    736,620.60x = 1,104,930.90 × 381,743.40
  4. Step 4: Simplify right side
    736,620.60x = 421,800,078,531.06
  5. Step 5: Solve for x
    x = 421,800,078,531.06/736,620.60
  6. Step 6: Final answer
    x = 572,615.10

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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.