Home / 1,528,572.40-2,290,234.20-995,819.20

Finding the Fourth Proportional to 1,528,572.40, 2,290,234.20 and 995,819.20

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Solution

The fourth proportional to 1,528,572.40, 2,290,234.20 and 995,819.20 is: 1,492,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,572.40 : 2,290,234.20 = 995,819.20 : x
  2. Step 2: Convert to fraction form
    1,528,572.40/2,290,234.20 = 995,819.20/x
  3. Step 3: Cross multiply
    1,528,572.40x = 2,290,234.20 × 995,819.20
  4. Step 4: Simplify right side
    1,528,572.40x = 2,280,659,188,856.64
  5. Step 5: Solve for x
    x = 2,280,659,188,856.64/1,528,572.40
  6. Step 6: Final answer
    x = 1,492,019.08

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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.