Home / 1,301,793.12-1,953,952.47-628,348.86

Finding the Fourth Proportional to 1,301,793.12, 1,953,952.47 and 628,348.86

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Solution

The fourth proportional to 1,301,793.12, 1,953,952.47 and 628,348.86 is: 943,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,793.12 : 1,953,952.47 = 628,348.86 : x
  2. Step 2: Convert to fraction form
    1,301,793.12/1,953,952.47 = 628,348.86/x
  3. Step 3: Cross multiply
    1,301,793.12x = 1,953,952.47 × 628,348.86
  4. Step 4: Simplify right side
    1,301,793.12x = 1,227,763,807,018.68
  5. Step 5: Solve for x
    x = 1,227,763,807,018.68/1,301,793.12
  6. Step 6: Final answer
    x = 943,132.81

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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.