Home / 1,226,150.16-1,839,069.72-911,066.64

Finding the Fourth Proportional to 1,226,150.16, 1,839,069.72 and 911,066.64

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Solution

The fourth proportional to 1,226,150.16, 1,839,069.72 and 911,066.64 is: 1,366,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,150.16 : 1,839,069.72 = 911,066.64 : x
  2. Step 2: Convert to fraction form
    1,226,150.16/1,839,069.72 = 911,066.64/x
  3. Step 3: Cross multiply
    1,226,150.16x = 1,839,069.72 × 911,066.64
  4. Step 4: Simplify right side
    1,226,150.16x = 1,675,515,070,526.14
  5. Step 5: Solve for x
    x = 1,675,515,070,526.14/1,226,150.16
  6. Step 6: Final answer
    x = 1,366,484.40

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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.