Home / 1,369,338.40-2,054,007.60-611,178.40

Finding the Fourth Proportional to 1,369,338.40, 2,054,007.60 and 611,178.40

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Solution

The fourth proportional to 1,369,338.40, 2,054,007.60 and 611,178.40 is: 916,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,338.40 : 2,054,007.60 = 611,178.40 : x
  2. Step 2: Convert to fraction form
    1,369,338.40/2,054,007.60 = 611,178.40/x
  3. Step 3: Cross multiply
    1,369,338.40x = 2,054,007.60 × 611,178.40
  4. Step 4: Simplify right side
    1,369,338.40x = 1,255,365,078,555.84
  5. Step 5: Solve for x
    x = 1,255,365,078,555.84/1,369,338.40
  6. Step 6: Final answer
    x = 916,767.60

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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.