Home / 1,196,267.49-1,650,757.36-687,133.89

Finding the Fourth Proportional to 1,196,267.49, 1,650,757.36 and 687,133.89

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Solution

The fourth proportional to 1,196,267.49, 1,650,757.36 and 687,133.89 is: 948,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,267.49 : 1,650,757.36 = 687,133.89 : x
  2. Step 2: Convert to fraction form
    1,196,267.49/1,650,757.36 = 687,133.89/x
  3. Step 3: Cross multiply
    1,196,267.49x = 1,650,757.36 × 687,133.89
  4. Step 4: Simplify right side
    1,196,267.49x = 1,134,291,326,222.93
  5. Step 5: Solve for x
    x = 1,134,291,326,222.93/1,196,267.49
  6. Step 6: Final answer
    x = 948,192.05

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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.