Home / 917,186.88-1,265,434.05-529,860.96

Finding the Fourth Proportional to 917,186.88, 1,265,434.05 and 529,860.96

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Solution

The fourth proportional to 917,186.88, 1,265,434.05 and 529,860.96 is: 731,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,186.88 : 1,265,434.05 = 529,860.96 : x
  2. Step 2: Convert to fraction form
    917,186.88/1,265,434.05 = 529,860.96/x
  3. Step 3: Cross multiply
    917,186.88x = 1,265,434.05 × 529,860.96
  4. Step 4: Simplify right side
    917,186.88x = 670,504,095,547.17
  5. Step 5: Solve for x
    x = 670,504,095,547.17/917,186.88
  6. Step 6: Final answer
    x = 731,044.14

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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.