Home / 700,770.15-1,051,228.53-321,626.16

Finding the Fourth Proportional to 700,770.15, 1,051,228.53 and 321,626.16

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Solution

The fourth proportional to 700,770.15, 1,051,228.53 and 321,626.16 is: 482,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,770.15 : 1,051,228.53 = 321,626.16 : x
  2. Step 2: Convert to fraction form
    700,770.15/1,051,228.53 = 321,626.16/x
  3. Step 3: Cross multiply
    700,770.15x = 1,051,228.53 × 321,626.16
  4. Step 4: Simplify right side
    700,770.15x = 338,102,595,386.35
  5. Step 5: Solve for x
    x = 338,102,595,386.35/700,770.15
  6. Step 6: Final answer
    x = 482,472.88

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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.