Home / 966,340.40-1,448,128.20-670,506.80

Finding the Fourth Proportional to 966,340.40, 1,448,128.20 and 670,506.80

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Solution

The fourth proportional to 966,340.40, 1,448,128.20 and 670,506.80 is: 1,004,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,340.40 : 1,448,128.20 = 670,506.80 : x
  2. Step 2: Convert to fraction form
    966,340.40/1,448,128.20 = 670,506.80/x
  3. Step 3: Cross multiply
    966,340.40x = 1,448,128.20 × 670,506.80
  4. Step 4: Simplify right side
    966,340.40x = 970,979,805,371.76
  5. Step 5: Solve for x
    x = 970,979,805,371.76/966,340.40
  6. Step 6: Final answer
    x = 1,004,801.01

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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.