Home / 1,173,528.77-1,760,293.20-640,759.19

Finding the Fourth Proportional to 1,173,528.77, 1,760,293.20 and 640,759.19

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Solution

The fourth proportional to 1,173,528.77, 1,760,293.20 and 640,759.19 is: 961,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,528.77 : 1,760,293.20 = 640,759.19 : x
  2. Step 2: Convert to fraction form
    1,173,528.77/1,760,293.20 = 640,759.19/x
  3. Step 3: Cross multiply
    1,173,528.77x = 1,760,293.20 × 640,759.19
  4. Step 4: Simplify right side
    1,173,528.77x = 1,127,924,044,994.51
  5. Step 5: Solve for x
    x = 1,127,924,044,994.51/1,173,528.77
  6. Step 6: Final answer
    x = 961,138.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.