Home / 1,192,963.52-1,645,747.36-709,254.40

Finding the Fourth Proportional to 1,192,963.52, 1,645,747.36 and 709,254.40

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Solution

The fourth proportional to 1,192,963.52, 1,645,747.36 and 709,254.40 is: 978,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,963.52 : 1,645,747.36 = 709,254.40 : x
  2. Step 2: Convert to fraction form
    1,192,963.52/1,645,747.36 = 709,254.40/x
  3. Step 3: Cross multiply
    1,192,963.52x = 1,645,747.36 × 709,254.40
  4. Step 4: Simplify right side
    1,192,963.52x = 1,167,253,556,368.38
  5. Step 5: Solve for x
    x = 1,167,253,556,368.38/1,192,963.52
  6. Step 6: Final answer
    x = 978,448.66

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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.