Home / 1,127,671.89-1,556,186.30-611,442.89

Finding the Fourth Proportional to 1,127,671.89, 1,556,186.30 and 611,442.89

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Solution

The fourth proportional to 1,127,671.89, 1,556,186.30 and 611,442.89 is: 843,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,671.89 : 1,556,186.30 = 611,442.89 : x
  2. Step 2: Convert to fraction form
    1,127,671.89/1,556,186.30 = 611,442.89/x
  3. Step 3: Cross multiply
    1,127,671.89x = 1,556,186.30 × 611,442.89
  4. Step 4: Simplify right side
    1,127,671.89x = 951,519,037,812.26
  5. Step 5: Solve for x
    x = 951,519,037,812.26/1,127,671.89
  6. Step 6: Final answer
    x = 843,790.69

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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.