Home / 1,214,042.84-1,821,075.60-539,941.40

Finding the Fourth Proportional to 1,214,042.84, 1,821,075.60 and 539,941.40

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Solution

The fourth proportional to 1,214,042.84, 1,821,075.60 and 539,941.40 is: 809,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,042.84 : 1,821,075.60 = 539,941.40 : x
  2. Step 2: Convert to fraction form
    1,214,042.84/1,821,075.60 = 539,941.40/x
  3. Step 3: Cross multiply
    1,214,042.84x = 1,821,075.60 × 539,941.40
  4. Step 4: Simplify right side
    1,214,042.84x = 983,274,108,969.84
  5. Step 5: Solve for x
    x = 983,274,108,969.84/1,214,042.84
  6. Step 6: Final answer
    x = 809,917.14

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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.