Home / 1,243,226.20-1,865,149.65-433,622.25

Finding the Fourth Proportional to 1,243,226.20, 1,865,149.65 and 433,622.25

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Solution

The fourth proportional to 1,243,226.20, 1,865,149.65 and 433,622.25 is: 650,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,226.20 : 1,865,149.65 = 433,622.25 : x
  2. Step 2: Convert to fraction form
    1,243,226.20/1,865,149.65 = 433,622.25/x
  3. Step 3: Cross multiply
    1,243,226.20x = 1,865,149.65 × 433,622.25
  4. Step 4: Simplify right side
    1,243,226.20x = 808,770,387,819.71
  5. Step 5: Solve for x
    x = 808,770,387,819.71/1,243,226.20
  6. Step 6: Final answer
    x = 650,541.62

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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.