Home / 969,860.55-1,454,701.07-457,408.18

Finding the Fourth Proportional to 969,860.55, 1,454,701.07 and 457,408.18

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Solution

The fourth proportional to 969,860.55, 1,454,701.07 and 457,408.18 is: 686,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,860.55 : 1,454,701.07 = 457,408.18 : x
  2. Step 2: Convert to fraction form
    969,860.55/1,454,701.07 = 457,408.18/x
  3. Step 3: Cross multiply
    969,860.55x = 1,454,701.07 × 457,408.18
  4. Step 4: Simplify right side
    969,860.55x = 665,392,171,834.65
  5. Step 5: Solve for x
    x = 665,392,171,834.65/969,860.55
  6. Step 6: Final answer
    x = 686,069.94

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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.