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Finding the Fourth Proportional to 1,533,313, 2,115,883.92 and 879,800.68

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Solution

The fourth proportional to 1,533,313, 2,115,883.92 and 879,800.68 is: 1,214,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,313 : 2,115,883.92 = 879,800.68 : x
  2. Step 2: Convert to fraction form
    1,533,313/2,115,883.92 = 879,800.68/x
  3. Step 3: Cross multiply
    1,533,313x = 2,115,883.92 × 879,800.68
  4. Step 4: Simplify right side
    1,533,313x = 1,861,556,111,617.07
  5. Step 5: Solve for x
    x = 1,861,556,111,617.07/1,533,313
  6. Step 6: Final answer
    x = 1,214,074.43

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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.