Home / 1,255,011.76-1,731,929.58-682,051.92

Finding the Fourth Proportional to 1,255,011.76, 1,731,929.58 and 682,051.92

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Solution

The fourth proportional to 1,255,011.76, 1,731,929.58 and 682,051.92 is: 941,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,011.76 : 1,731,929.58 = 682,051.92 : x
  2. Step 2: Convert to fraction form
    1,255,011.76/1,731,929.58 = 682,051.92/x
  3. Step 3: Cross multiply
    1,255,011.76x = 1,731,929.58 × 682,051.92
  4. Step 4: Simplify right side
    1,255,011.76x = 1,181,265,895,343.79
  5. Step 5: Solve for x
    x = 1,181,265,895,343.79/1,255,011.76
  6. Step 6: Final answer
    x = 941,238.91

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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.