Home / 1,920,399.26-2,880,599.85-500,451.74

Finding the Fourth Proportional to 1,920,399.26, 2,880,599.85 and 500,451.74

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Solution

The fourth proportional to 1,920,399.26, 2,880,599.85 and 500,451.74 is: 750,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,399.26 : 2,880,599.85 = 500,451.74 : x
  2. Step 2: Convert to fraction form
    1,920,399.26/2,880,599.85 = 500,451.74/x
  3. Step 3: Cross multiply
    1,920,399.26x = 2,880,599.85 × 500,451.74
  4. Step 4: Simplify right side
    1,920,399.26x = 1,441,601,207,176.24
  5. Step 5: Solve for x
    x = 1,441,601,207,176.24/1,920,399.26
  6. Step 6: Final answer
    x = 750,677.86

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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.