Home / 1,295,986.30-1,786,424.63-887,381.60

Finding the Fourth Proportional to 1,295,986.30, 1,786,424.63 and 887,381.60

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Solution

The fourth proportional to 1,295,986.30, 1,786,424.63 and 887,381.60 is: 1,223,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,986.30 : 1,786,424.63 = 887,381.60 : x
  2. Step 2: Convert to fraction form
    1,295,986.30/1,786,424.63 = 887,381.60/x
  3. Step 3: Cross multiply
    1,295,986.30x = 1,786,424.63 × 887,381.60
  4. Step 4: Simplify right side
    1,295,986.30x = 1,585,240,333,079.78
  5. Step 5: Solve for x
    x = 1,585,240,333,079.78/1,295,986.30
  6. Step 6: Final answer
    x = 1,223,192.20

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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.