Home / 1,243,445.57-1,715,954.47-692,149.30

Finding the Fourth Proportional to 1,243,445.57, 1,715,954.47 and 692,149.30

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Solution

The fourth proportional to 1,243,445.57, 1,715,954.47 and 692,149.30 is: 955,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,445.57 : 1,715,954.47 = 692,149.30 : x
  2. Step 2: Convert to fraction form
    1,243,445.57/1,715,954.47 = 692,149.30/x
  3. Step 3: Cross multiply
    1,243,445.57x = 1,715,954.47 × 692,149.30
  4. Step 4: Simplify right side
    1,243,445.57x = 1,187,696,685,242.37
  5. Step 5: Solve for x
    x = 1,187,696,685,242.37/1,243,445.57
  6. Step 6: Final answer
    x = 955,165.80

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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.