Home / 1,286,834.40-1,929,622.68-528,473.16

Finding the Fourth Proportional to 1,286,834.40, 1,929,622.68 and 528,473.16

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Solution

The fourth proportional to 1,286,834.40, 1,929,622.68 and 528,473.16 is: 792,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,834.40 : 1,929,622.68 = 528,473.16 : x
  2. Step 2: Convert to fraction form
    1,286,834.40/1,929,622.68 = 528,473.16/x
  3. Step 3: Cross multiply
    1,286,834.40x = 1,929,622.68 × 528,473.16
  4. Step 4: Simplify right side
    1,286,834.40x = 1,019,753,795,307.27
  5. Step 5: Solve for x
    x = 1,019,753,795,307.27/1,286,834.40
  6. Step 6: Final answer
    x = 792,451.46

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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.