Home / 1,920,396.76-2,880,596.10-500,449.24

Finding the Fourth Proportional to 1,920,396.76, 2,880,596.10 and 500,449.24

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Solution

The fourth proportional to 1,920,396.76, 2,880,596.10 and 500,449.24 is: 750,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,396.76 : 2,880,596.10 = 500,449.24 : x
  2. Step 2: Convert to fraction form
    1,920,396.76/2,880,596.10 = 500,449.24/x
  3. Step 3: Cross multiply
    1,920,396.76x = 2,880,596.10 × 500,449.24
  4. Step 4: Simplify right side
    1,920,396.76x = 1,441,592,128,991.96
  5. Step 5: Solve for x
    x = 1,441,592,128,991.96/1,920,396.76
  6. Step 6: Final answer
    x = 750,674.11

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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.