Home / 939,857.17-1,297,004.10-510,137.19

Finding the Fourth Proportional to 939,857.17, 1,297,004.10 and 510,137.19

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Solution

The fourth proportional to 939,857.17, 1,297,004.10 and 510,137.19 is: 703,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,857.17 : 1,297,004.10 = 510,137.19 : x
  2. Step 2: Convert to fraction form
    939,857.17/1,297,004.10 = 510,137.19/x
  3. Step 3: Cross multiply
    939,857.17x = 1,297,004.10 × 510,137.19
  4. Step 4: Simplify right side
    939,857.17x = 661,650,026,992.48
  5. Step 5: Solve for x
    x = 661,650,026,992.48/939,857.17
  6. Step 6: Final answer
    x = 703,989.98

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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.