Home / 1,238,544.05-1,709,054.12-694,567.89

Finding the Fourth Proportional to 1,238,544.05, 1,709,054.12 and 694,567.89

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Solution

The fourth proportional to 1,238,544.05, 1,709,054.12 and 694,567.89 is: 958,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,544.05 : 1,709,054.12 = 694,567.89 : x
  2. Step 2: Convert to fraction form
    1,238,544.05/1,709,054.12 = 694,567.89/x
  3. Step 3: Cross multiply
    1,238,544.05x = 1,709,054.12 × 694,567.89
  4. Step 4: Simplify right side
    1,238,544.05x = 1,187,054,114,024.21
  5. Step 5: Solve for x
    x = 1,187,054,114,024.21/1,238,544.05
  6. Step 6: Final answer
    x = 958,427.05

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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.