Home / 1,271,098.14-1,905,878.89-512,053.09

Finding the Fourth Proportional to 1,271,098.14, 1,905,878.89 and 512,053.09

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Solution

The fourth proportional to 1,271,098.14, 1,905,878.89 and 512,053.09 is: 767,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,098.14 : 1,905,878.89 = 512,053.09 : x
  2. Step 2: Convert to fraction form
    1,271,098.14/1,905,878.89 = 512,053.09/x
  3. Step 3: Cross multiply
    1,271,098.14x = 1,905,878.89 × 512,053.09
  4. Step 4: Simplify right side
    1,271,098.14x = 975,911,170,665.64
  5. Step 5: Solve for x
    x = 975,911,170,665.64/1,271,098.14
  6. Step 6: Final answer
    x = 767,770.12

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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.