Home / 1,672,615.80-2,308,407.70-993,555

Finding the Fourth Proportional to 1,672,615.80, 2,308,407.70 and 993,555

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Solution

The fourth proportional to 1,672,615.80, 2,308,407.70 and 993,555 is: 1,371,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,615.80 : 2,308,407.70 = 993,555 : x
  2. Step 2: Convert to fraction form
    1,672,615.80/2,308,407.70 = 993,555/x
  3. Step 3: Cross multiply
    1,672,615.80x = 2,308,407.70 × 993,555
  4. Step 4: Simplify right side
    1,672,615.80x = 2,293,530,012,373.50
  5. Step 5: Solve for x
    x = 2,293,530,012,373.50/1,672,615.80
  6. Step 6: Final answer
    x = 1,371,223.45

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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.