Home / 1,235,138-1,704,536.52-698,582.48

Finding the Fourth Proportional to 1,235,138, 1,704,536.52 and 698,582.48

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Solution

The fourth proportional to 1,235,138, 1,704,536.52 and 698,582.48 is: 964,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,138 : 1,704,536.52 = 698,582.48 : x
  2. Step 2: Convert to fraction form
    1,235,138/1,704,536.52 = 698,582.48/x
  3. Step 3: Cross multiply
    1,235,138x = 1,704,536.52 × 698,582.48
  4. Step 4: Simplify right side
    1,235,138x = 1,190,759,349,392.17
  5. Step 5: Solve for x
    x = 1,190,759,349,392.17/1,235,138
  6. Step 6: Final answer
    x = 964,069.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.