Home / 1,173,526.77-1,760,290.20-640,757.19

Finding the Fourth Proportional to 1,173,526.77, 1,760,290.20 and 640,757.19

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Solution

The fourth proportional to 1,173,526.77, 1,760,290.20 and 640,757.19 is: 961,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,526.77 : 1,760,290.20 = 640,757.19 : x
  2. Step 2: Convert to fraction form
    1,173,526.77/1,760,290.20 = 640,757.19/x
  3. Step 3: Cross multiply
    1,173,526.77x = 1,760,290.20 × 640,757.19
  4. Step 4: Simplify right side
    1,173,526.77x = 1,127,918,602,136.54
  5. Step 5: Solve for x
    x = 1,127,918,602,136.54/1,173,526.77
  6. Step 6: Final answer
    x = 961,135.81

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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.