Home / 761,991.52-1,142,982.09-185,607.93

Finding the Fourth Proportional to 761,991.52, 1,142,982.09 and 185,607.93

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Solution

The fourth proportional to 761,991.52, 1,142,982.09 and 185,607.93 is: 278,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,991.52 : 1,142,982.09 = 185,607.93 : x
  2. Step 2: Convert to fraction form
    761,991.52/1,142,982.09 = 185,607.93/x
  3. Step 3: Cross multiply
    761,991.52x = 1,142,982.09 × 185,607.93
  4. Step 4: Simplify right side
    761,991.52x = 212,146,536,001.56
  5. Step 5: Solve for x
    x = 212,146,536,001.56/761,991.52
  6. Step 6: Final answer
    x = 278,410.63

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1.5x scale

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.