Home / 916,714.02-1,265,046.29-508,791.93

Finding the Fourth Proportional to 916,714.02, 1,265,046.29 and 508,791.93

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Solution

The fourth proportional to 916,714.02, 1,265,046.29 and 508,791.93 is: 702,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,714.02 : 1,265,046.29 = 508,791.93 : x
  2. Step 2: Convert to fraction form
    916,714.02/1,265,046.29 = 508,791.93/x
  3. Step 3: Cross multiply
    916,714.02x = 1,265,046.29 × 508,791.93
  4. Step 4: Simplify right side
    916,714.02x = 643,645,340,884.48
  5. Step 5: Solve for x
    x = 643,645,340,884.48/916,714.02
  6. Step 6: Final answer
    x = 702,122.28

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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.