Home / 881,674.39-1,215,584.40-571,028.23

Finding the Fourth Proportional to 881,674.39, 1,215,584.40 and 571,028.23

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Solution

The fourth proportional to 881,674.39, 1,215,584.40 and 571,028.23 is: 787,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,674.39 : 1,215,584.40 = 571,028.23 : x
  2. Step 2: Convert to fraction form
    881,674.39/1,215,584.40 = 571,028.23/x
  3. Step 3: Cross multiply
    881,674.39x = 1,215,584.40 × 571,028.23
  4. Step 4: Simplify right side
    881,674.39x = 694,133,008,347.61
  5. Step 5: Solve for x
    x = 694,133,008,347.61/881,674.39
  6. Step 6: Final answer
    x = 787,289.52

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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.