Home / 914,411.96-1,261,844.66-506,486.28

Finding the Fourth Proportional to 914,411.96, 1,261,844.66 and 506,486.28

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Solution

The fourth proportional to 914,411.96, 1,261,844.66 and 506,486.28 is: 698,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,411.96 : 1,261,844.66 = 506,486.28 : x
  2. Step 2: Convert to fraction form
    914,411.96/1,261,844.66 = 506,486.28/x
  3. Step 3: Cross multiply
    914,411.96x = 1,261,844.66 × 506,486.28
  4. Step 4: Simplify right side
    914,411.96x = 639,107,007,781.27
  5. Step 5: Solve for x
    x = 639,107,007,781.27/914,411.96
  6. Step 6: Final answer
    x = 698,926.78

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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.