Home / 1,170,759.69-1,615,679.87-661,451.13

Finding the Fourth Proportional to 1,170,759.69, 1,615,679.87 and 661,451.13

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Solution

The fourth proportional to 1,170,759.69, 1,615,679.87 and 661,451.13 is: 912,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,759.69 : 1,615,679.87 = 661,451.13 : x
  2. Step 2: Convert to fraction form
    1,170,759.69/1,615,679.87 = 661,451.13/x
  3. Step 3: Cross multiply
    1,170,759.69x = 1,615,679.87 × 661,451.13
  4. Step 4: Simplify right side
    1,170,759.69x = 1,068,693,272,422.50
  5. Step 5: Solve for x
    x = 1,068,693,272,422.50/1,170,759.69
  6. Step 6: Final answer
    x = 912,820.35

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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.