Home / 734,854.60-1,102,022.70-261,555.40

Finding the Fourth Proportional to 734,854.60, 1,102,022.70 and 261,555.40

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Solution

The fourth proportional to 734,854.60, 1,102,022.70 and 261,555.40 is: 392,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,854.60 : 1,102,022.70 = 261,555.40 : x
  2. Step 2: Convert to fraction form
    734,854.60/1,102,022.70 = 261,555.40/x
  3. Step 3: Cross multiply
    734,854.60x = 1,102,022.70 × 261,555.40
  4. Step 4: Simplify right side
    734,854.60x = 288,239,988,107.58
  5. Step 5: Solve for x
    x = 288,239,988,107.58/734,854.60
  6. Step 6: Final answer
    x = 392,240.84

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1.5x scale

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.