Home / 1,214,485.40-1,820,172.90-932,605.40

Finding the Fourth Proportional to 1,214,485.40, 1,820,172.90 and 932,605.40

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Solution

The fourth proportional to 1,214,485.40, 1,820,172.90 and 932,605.40 is: 1,397,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,485.40 : 1,820,172.90 = 932,605.40 : x
  2. Step 2: Convert to fraction form
    1,214,485.40/1,820,172.90 = 932,605.40/x
  3. Step 3: Cross multiply
    1,214,485.40x = 1,820,172.90 × 932,605.40
  4. Step 4: Simplify right side
    1,214,485.40x = 1,697,503,075,473.66
  5. Step 5: Solve for x
    x = 1,697,503,075,473.66/1,214,485.40
  6. Step 6: Final answer
    x = 1,397,713.86

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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.