Home / 834,615.70-1,151,771.01-452,642.79

Finding the Fourth Proportional to 834,615.70, 1,151,771.01 and 452,642.79

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Solution

The fourth proportional to 834,615.70, 1,151,771.01 and 452,642.79 is: 624,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,615.70 : 1,151,771.01 = 452,642.79 : x
  2. Step 2: Convert to fraction form
    834,615.70/1,151,771.01 = 452,642.79/x
  3. Step 3: Cross multiply
    834,615.70x = 1,151,771.01 × 452,642.79
  4. Step 4: Simplify right side
    834,615.70x = 521,340,843,407.52
  5. Step 5: Solve for x
    x = 521,340,843,407.52/834,615.70
  6. Step 6: Final answer
    x = 624,647.78

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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.