Home / 1,533,626.25-2,116,561.69-921,977.03

Finding the Fourth Proportional to 1,533,626.25, 2,116,561.69 and 921,977.03

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Solution

The fourth proportional to 1,533,626.25, 2,116,561.69 and 921,977.03 is: 1,272,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,626.25 : 2,116,561.69 = 921,977.03 : x
  2. Step 2: Convert to fraction form
    1,533,626.25/2,116,561.69 = 921,977.03/x
  3. Step 3: Cross multiply
    1,533,626.25x = 2,116,561.69 × 921,977.03
  4. Step 4: Simplify right side
    1,533,626.25x = 1,951,421,260,757.98
  5. Step 5: Solve for x
    x = 1,951,421,260,757.98/1,533,626.25
  6. Step 6: Final answer
    x = 1,272,422.97

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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.