Home / 1,931,259.20-2,897,234.40-809,441.60

Finding the Fourth Proportional to 1,931,259.20, 2,897,234.40 and 809,441.60

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Solution

The fourth proportional to 1,931,259.20, 2,897,234.40 and 809,441.60 is: 1,214,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,259.20 : 2,897,234.40 = 809,441.60 : x
  2. Step 2: Convert to fraction form
    1,931,259.20/2,897,234.40 = 809,441.60/x
  3. Step 3: Cross multiply
    1,931,259.20x = 2,897,234.40 × 809,441.60
  4. Step 4: Simplify right side
    1,931,259.20x = 2,345,142,048,311.04
  5. Step 5: Solve for x
    x = 2,345,142,048,311.04/1,931,259.20
  6. Step 6: Final answer
    x = 1,214,307.25

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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.