Home / 1,213,811.10-1,821,753.45-540,927.90

Finding the Fourth Proportional to 1,213,811.10, 1,821,753.45 and 540,927.90

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Solution

The fourth proportional to 1,213,811.10, 1,821,753.45 and 540,927.90 is: 811,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,811.10 : 1,821,753.45 = 540,927.90 : x
  2. Step 2: Convert to fraction form
    1,213,811.10/1,821,753.45 = 540,927.90/x
  3. Step 3: Cross multiply
    1,213,811.10x = 1,821,753.45 × 540,927.90
  4. Step 4: Simplify right side
    1,213,811.10x = 985,437,268,026.26
  5. Step 5: Solve for x
    x = 985,437,268,026.26/1,213,811.10
  6. Step 6: Final answer
    x = 811,853.89

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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.