Home / 1,213,810.60-1,821,752.70-540,927.40

Finding the Fourth Proportional to 1,213,810.60, 1,821,752.70 and 540,927.40

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Solution

The fourth proportional to 1,213,810.60, 1,821,752.70 and 540,927.40 is: 811,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,810.60 : 1,821,752.70 = 540,927.40 : x
  2. Step 2: Convert to fraction form
    1,213,810.60/1,821,752.70 = 540,927.40/x
  3. Step 3: Cross multiply
    1,213,810.60x = 1,821,752.70 × 540,927.40
  4. Step 4: Simplify right side
    1,213,810.60x = 985,435,951,453.98
  5. Step 5: Solve for x
    x = 985,435,951,453.98/1,213,810.60
  6. Step 6: Final answer
    x = 811,853.14

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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.