Home / 1,214,189.73-1,820,967.10-361,031.60

Finding the Fourth Proportional to 1,214,189.73, 1,820,967.10 and 361,031.60

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Solution

The fourth proportional to 1,214,189.73, 1,820,967.10 and 361,031.60 is: 541,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,189.73 : 1,820,967.10 = 361,031.60 : x
  2. Step 2: Convert to fraction form
    1,214,189.73/1,820,967.10 = 361,031.60/x
  3. Step 3: Cross multiply
    1,214,189.73x = 1,820,967.10 × 361,031.60
  4. Step 4: Simplify right side
    1,214,189.73x = 657,426,669,310.20
  5. Step 5: Solve for x
    x = 657,426,669,310.20/1,214,189.73
  6. Step 6: Final answer
    x = 541,453.00

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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.