Home / 1,512,000.40-2,264,890.20-1,039,219.60

Finding the Fourth Proportional to 1,512,000.40, 2,264,890.20 and 1,039,219.60

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Solution

The fourth proportional to 1,512,000.40, 2,264,890.20 and 1,039,219.60 is: 1,556,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,000.40 : 2,264,890.20 = 1,039,219.60 : x
  2. Step 2: Convert to fraction form
    1,512,000.40/2,264,890.20 = 1,039,219.60/x
  3. Step 3: Cross multiply
    1,512,000.40x = 2,264,890.20 × 1,039,219.60
  4. Step 4: Simplify right side
    1,512,000.40x = 2,353,718,287,687.92
  5. Step 5: Solve for x
    x = 2,353,718,287,687.92/1,512,000.40
  6. Step 6: Final answer
    x = 1,556,691.58

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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.