Home / 930,199.23-1,283,738.36-516,784.46

Finding the Fourth Proportional to 930,199.23, 1,283,738.36 and 516,784.46

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Solution

The fourth proportional to 930,199.23, 1,283,738.36 and 516,784.46 is: 713,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,199.23 : 1,283,738.36 = 516,784.46 : x
  2. Step 2: Convert to fraction form
    930,199.23/1,283,738.36 = 516,784.46/x
  3. Step 3: Cross multiply
    930,199.23x = 1,283,738.36 × 516,784.46
  4. Step 4: Simplify right side
    930,199.23x = 663,416,026,151.27
  5. Step 5: Solve for x
    x = 663,416,026,151.27/930,199.23
  6. Step 6: Final answer
    x = 713,197.78

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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.