Home / 300,582.45-450,873.68-75,943.53

Finding the Fourth Proportional to 300,582.45, 450,873.68 and 75,943.53

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Solution

The fourth proportional to 300,582.45, 450,873.68 and 75,943.53 is: 113,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,582.45 : 450,873.68 = 75,943.53 : x
  2. Step 2: Convert to fraction form
    300,582.45/450,873.68 = 75,943.53/x
  3. Step 3: Cross multiply
    300,582.45x = 450,873.68 × 75,943.53
  4. Step 4: Simplify right side
    300,582.45x = 34,240,938,463.57
  5. Step 5: Solve for x
    x = 34,240,938,463.57/300,582.45
  6. Step 6: Final answer
    x = 113,915.30

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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.