Home / 1,139,970.96-1,573,102.44-623,713.68

Finding the Fourth Proportional to 1,139,970.96, 1,573,102.44 and 623,713.68

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Solution

The fourth proportional to 1,139,970.96, 1,573,102.44 and 623,713.68 is: 860,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,970.96 : 1,573,102.44 = 623,713.68 : x
  2. Step 2: Convert to fraction form
    1,139,970.96/1,573,102.44 = 623,713.68/x
  3. Step 3: Cross multiply
    1,139,970.96x = 1,573,102.44 × 623,713.68
  4. Step 4: Simplify right side
    1,139,970.96x = 981,165,511,869.38
  5. Step 5: Solve for x
    x = 981,165,511,869.38/1,139,970.96
  6. Step 6: Final answer
    x = 860,693.43

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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.