Home / 917,184.80-1,265,751.43-529,987.39

Finding the Fourth Proportional to 917,184.80, 1,265,751.43 and 529,987.39

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Solution

The fourth proportional to 917,184.80, 1,265,751.43 and 529,987.39 is: 731,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,184.80 : 1,265,751.43 = 529,987.39 : x
  2. Step 2: Convert to fraction form
    917,184.80/1,265,751.43 = 529,987.39/x
  3. Step 3: Cross multiply
    917,184.80x = 1,265,751.43 × 529,987.39
  4. Step 4: Simplify right side
    917,184.80x = 670,832,292,285.12
  5. Step 5: Solve for x
    x = 670,832,292,285.12/917,184.80
  6. Step 6: Final answer
    x = 731,403.63

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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.