Home / 706,427.20-1,059,640.80-629,444.80

Finding the Fourth Proportional to 706,427.20, 1,059,640.80 and 629,444.80

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Solution

The fourth proportional to 706,427.20, 1,059,640.80 and 629,444.80 is: 944,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,427.20 : 1,059,640.80 = 629,444.80 : x
  2. Step 2: Convert to fraction form
    706,427.20/1,059,640.80 = 629,444.80/x
  3. Step 3: Cross multiply
    706,427.20x = 1,059,640.80 × 629,444.80
  4. Step 4: Simplify right side
    706,427.20x = 666,985,391,427.84
  5. Step 5: Solve for x
    x = 666,985,391,427.84/706,427.20
  6. Step 6: Final answer
    x = 944,167.20

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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.