Home / 1,533,266.72-2,115,724.56-879,859.16

Finding the Fourth Proportional to 1,533,266.72, 2,115,724.56 and 879,859.16

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Solution

The fourth proportional to 1,533,266.72, 2,115,724.56 and 879,859.16 is: 1,214,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,266.72 : 2,115,724.56 = 879,859.16 : x
  2. Step 2: Convert to fraction form
    1,533,266.72/2,115,724.56 = 879,859.16/x
  3. Step 3: Cross multiply
    1,533,266.72x = 2,115,724.56 × 879,859.16
  4. Step 4: Simplify right side
    1,533,266.72x = 1,861,539,634,152.97
  5. Step 5: Solve for x
    x = 1,861,539,634,152.97/1,533,266.72
  6. Step 6: Final answer
    x = 1,214,100.33

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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.