Home / 706,430.20-1,059,645.30-629,447.80

Finding the Fourth Proportional to 706,430.20, 1,059,645.30 and 629,447.80

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Solution

The fourth proportional to 706,430.20, 1,059,645.30 and 629,447.80 is: 944,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,430.20 : 1,059,645.30 = 629,447.80 : x
  2. Step 2: Convert to fraction form
    706,430.20/1,059,645.30 = 629,447.80/x
  3. Step 3: Cross multiply
    706,430.20x = 1,059,645.30 × 629,447.80
  4. Step 4: Simplify right side
    706,430.20x = 666,991,402,865.34
  5. Step 5: Solve for x
    x = 666,991,402,865.34/706,430.20
  6. Step 6: Final answer
    x = 944,171.70

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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.