Home / 865,738.60-1,195,087.14-526,315.24

Finding the Fourth Proportional to 865,738.60, 1,195,087.14 and 526,315.24

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Solution

The fourth proportional to 865,738.60, 1,195,087.14 and 526,315.24 is: 726,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,738.60 : 1,195,087.14 = 526,315.24 : x
  2. Step 2: Convert to fraction form
    865,738.60/1,195,087.14 = 526,315.24/x
  3. Step 3: Cross multiply
    865,738.60x = 1,195,087.14 × 526,315.24
  4. Step 4: Simplify right side
    865,738.60x = 628,992,574,910.01
  5. Step 5: Solve for x
    x = 628,992,574,910.01/865,738.60
  6. Step 6: Final answer
    x = 726,538.67

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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.