Home / 1,285,729.01-1,928,298.37-766,551.13

Finding the Fourth Proportional to 1,285,729.01, 1,928,298.37 and 766,551.13

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Solution

The fourth proportional to 1,285,729.01, 1,928,298.37 and 766,551.13 is: 1,149,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,729.01 : 1,928,298.37 = 766,551.13 : x
  2. Step 2: Convert to fraction form
    1,285,729.01/1,928,298.37 = 766,551.13/x
  3. Step 3: Cross multiply
    1,285,729.01x = 1,928,298.37 × 766,551.13
  4. Step 4: Simplify right side
    1,285,729.01x = 1,478,139,294,500.66
  5. Step 5: Solve for x
    x = 1,478,139,294,500.66/1,285,729.01
  6. Step 6: Final answer
    x = 1,149,650.73

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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.