Home / 1,361,529.12-2,042,292.72-612,700.32

Finding the Fourth Proportional to 1,361,529.12, 2,042,292.72 and 612,700.32

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Solution

The fourth proportional to 1,361,529.12, 2,042,292.72 and 612,700.32 is: 919,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,529.12 : 2,042,292.72 = 612,700.32 : x
  2. Step 2: Convert to fraction form
    1,361,529.12/2,042,292.72 = 612,700.32/x
  3. Step 3: Cross multiply
    1,361,529.12x = 2,042,292.72 × 612,700.32
  4. Step 4: Simplify right side
    1,361,529.12x = 1,251,313,403,077.67
  5. Step 5: Solve for x
    x = 1,251,313,403,077.67/1,361,529.12
  6. Step 6: Final answer
    x = 919,050.05

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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.