Home / 1,429,103.06-2,142,023.90-575,628.44

Finding the Fourth Proportional to 1,429,103.06, 2,142,023.90 and 575,628.44

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Solution

The fourth proportional to 1,429,103.06, 2,142,023.90 and 575,628.44 is: 862,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,103.06 : 2,142,023.90 = 575,628.44 : x
  2. Step 2: Convert to fraction form
    1,429,103.06/2,142,023.90 = 575,628.44/x
  3. Step 3: Cross multiply
    1,429,103.06x = 2,142,023.90 × 575,628.44
  4. Step 4: Simplify right side
    1,429,103.06x = 1,233,009,875,999.72
  5. Step 5: Solve for x
    x = 1,233,009,875,999.72/1,429,103.06
  6. Step 6: Final answer
    x = 862,785.83

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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.