Home / 1,123,953.20-1,685,346.60-413,615.60

Finding the Fourth Proportional to 1,123,953.20, 1,685,346.60 and 413,615.60

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Solution

The fourth proportional to 1,123,953.20, 1,685,346.60 and 413,615.60 is: 620,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,953.20 : 1,685,346.60 = 413,615.60 : x
  2. Step 2: Convert to fraction form
    1,123,953.20/1,685,346.60 = 413,615.60/x
  3. Step 3: Cross multiply
    1,123,953.20x = 1,685,346.60 × 413,615.60
  4. Step 4: Simplify right side
    1,123,953.20x = 697,085,645,166.96
  5. Step 5: Solve for x
    x = 697,085,645,166.96/1,123,953.20
  6. Step 6: Final answer
    x = 620,208.78

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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.