Home / 1,211,812.00-1,817,520.83-572,114.50

Finding the Fourth Proportional to 1,211,812.00, 1,817,520.83 and 572,114.50

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Solution

The fourth proportional to 1,211,812.00, 1,817,520.83 and 572,114.50 is: 858,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,812.00 : 1,817,520.83 = 572,114.50 : x
  2. Step 2: Convert to fraction form
    1,211,812.00/1,817,520.83 = 572,114.50/x
  3. Step 3: Cross multiply
    1,211,812.00x = 1,817,520.83 × 572,114.50
  4. Step 4: Simplify right side
    1,211,812.00x = 1,039,830,015,636.09
  5. Step 5: Solve for x
    x = 1,039,830,015,636.09/1,211,812.00
  6. Step 6: Final answer
    x = 858,078.66

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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.