Home / 971,028.40-1,453,043.40-656,100.40

Finding the Fourth Proportional to 971,028.40, 1,453,043.40 and 656,100.40

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Solution

The fourth proportional to 971,028.40, 1,453,043.40 and 656,100.40 is: 981,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,028.40 : 1,453,043.40 = 656,100.40 : x
  2. Step 2: Convert to fraction form
    971,028.40/1,453,043.40 = 656,100.40/x
  3. Step 3: Cross multiply
    971,028.40x = 1,453,043.40 × 656,100.40
  4. Step 4: Simplify right side
    971,028.40x = 953,342,355,957.36
  5. Step 5: Solve for x
    x = 953,342,355,957.36/971,028.40
  6. Step 6: Final answer
    x = 981,786.28

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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.