Home / 1,215,366.63-1,677,239.77-671,537.45

Finding the Fourth Proportional to 1,215,366.63, 1,677,239.77 and 671,537.45

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Solution

The fourth proportional to 1,215,366.63, 1,677,239.77 and 671,537.45 is: 926,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,366.63 : 1,677,239.77 = 671,537.45 : x
  2. Step 2: Convert to fraction form
    1,215,366.63/1,677,239.77 = 671,537.45/x
  3. Step 3: Cross multiply
    1,215,366.63x = 1,677,239.77 × 671,537.45
  4. Step 4: Simplify right side
    1,215,366.63x = 1,126,329,320,698.64
  5. Step 5: Solve for x
    x = 1,126,329,320,698.64/1,215,366.63
  6. Step 6: Final answer
    x = 926,740.37

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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.