Home / 1,574,128.70-2,363,817.45-1,043,999.90

Finding the Fourth Proportional to 1,574,128.70, 2,363,817.45 and 1,043,999.90

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Solution

The fourth proportional to 1,574,128.70, 2,363,817.45 and 1,043,999.90 is: 1,567,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,128.70 : 2,363,817.45 = 1,043,999.90 : x
  2. Step 2: Convert to fraction form
    1,574,128.70/2,363,817.45 = 1,043,999.90/x
  3. Step 3: Cross multiply
    1,574,128.70x = 2,363,817.45 × 1,043,999.90
  4. Step 4: Simplify right side
    1,574,128.70x = 2,467,825,181,418.26
  5. Step 5: Solve for x
    x = 2,467,825,181,418.26/1,574,128.70
  6. Step 6: Final answer
    x = 1,567,740.42

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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.