Home / 955,534.12-1,318,620.36-519,936.76

Finding the Fourth Proportional to 955,534.12, 1,318,620.36 and 519,936.76

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Solution

The fourth proportional to 955,534.12, 1,318,620.36 and 519,936.76 is: 717,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,534.12 : 1,318,620.36 = 519,936.76 : x
  2. Step 2: Convert to fraction form
    955,534.12/1,318,620.36 = 519,936.76/x
  3. Step 3: Cross multiply
    955,534.12x = 1,318,620.36 × 519,936.76
  4. Step 4: Simplify right side
    955,534.12x = 685,599,197,648.43
  5. Step 5: Solve for x
    x = 685,599,197,648.43/955,534.12
  6. Step 6: Final answer
    x = 717,503.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.