Home / 838,137.07-1,156,629.15-456,166.59

Finding the Fourth Proportional to 838,137.07, 1,156,629.15 and 456,166.59

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Solution

The fourth proportional to 838,137.07, 1,156,629.15 and 456,166.59 is: 629,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,137.07 : 1,156,629.15 = 456,166.59 : x
  2. Step 2: Convert to fraction form
    838,137.07/1,156,629.15 = 456,166.59/x
  3. Step 3: Cross multiply
    838,137.07x = 1,156,629.15 × 456,166.59
  4. Step 4: Simplify right side
    838,137.07x = 527,615,575,250.10
  5. Step 5: Solve for x
    x = 527,615,575,250.10/838,137.07
  6. Step 6: Final answer
    x = 629,509.89

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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.