Home / 1,533,019.06-2,115,608.93-879,700.30

Finding the Fourth Proportional to 1,533,019.06, 2,115,608.93 and 879,700.30

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Solution

The fourth proportional to 1,533,019.06, 2,115,608.93 and 879,700.30 is: 1,214,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,019.06 : 2,115,608.93 = 879,700.30 : x
  2. Step 2: Convert to fraction form
    1,533,019.06/2,115,608.93 = 879,700.30/x
  3. Step 3: Cross multiply
    1,533,019.06x = 2,115,608.93 × 879,700.30
  4. Step 4: Simplify right side
    1,533,019.06x = 1,861,101,804,015.03
  5. Step 5: Solve for x
    x = 1,861,101,804,015.03/1,533,019.06
  6. Step 6: Final answer
    x = 1,214,010.87

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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.