Home / 756,342.90-1,043,749.80-416,810.34

Finding the Fourth Proportional to 756,342.90, 1,043,749.80 and 416,810.34

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Solution

The fourth proportional to 756,342.90, 1,043,749.80 and 416,810.34 is: 575,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,342.90 : 1,043,749.80 = 416,810.34 : x
  2. Step 2: Convert to fraction form
    756,342.90/1,043,749.80 = 416,810.34/x
  3. Step 3: Cross multiply
    756,342.90x = 1,043,749.80 × 416,810.34
  4. Step 4: Simplify right side
    756,342.90x = 435,045,709,012.93
  5. Step 5: Solve for x
    x = 435,045,709,012.93/756,342.90
  6. Step 6: Final answer
    x = 575,196.39

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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.