Home / 1,125,988.11-1,553,805.86-616,679.55

Finding the Fourth Proportional to 1,125,988.11, 1,553,805.86 and 616,679.55

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Solution

The fourth proportional to 1,125,988.11, 1,553,805.86 and 616,679.55 is: 850,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,988.11 : 1,553,805.86 = 616,679.55 : x
  2. Step 2: Convert to fraction form
    1,125,988.11/1,553,805.86 = 616,679.55/x
  3. Step 3: Cross multiply
    1,125,988.11x = 1,553,805.86 × 616,679.55
  4. Step 4: Simplify right side
    1,125,988.11x = 958,200,295,448.77
  5. Step 5: Solve for x
    x = 958,200,295,448.77/1,125,988.11
  6. Step 6: Final answer
    x = 850,986.16

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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.