Home / 1,228,057.58-1,693,569.98-970,549.71

Finding the Fourth Proportional to 1,228,057.58, 1,693,569.98 and 970,549.71

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Solution

The fourth proportional to 1,228,057.58, 1,693,569.98 and 970,549.71 is: 1,338,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,057.58 : 1,693,569.98 = 970,549.71 : x
  2. Step 2: Convert to fraction form
    1,228,057.58/1,693,569.98 = 970,549.71/x
  3. Step 3: Cross multiply
    1,228,057.58x = 1,693,569.98 × 970,549.71
  4. Step 4: Simplify right side
    1,228,057.58x = 1,643,693,848,100.96
  5. Step 5: Solve for x
    x = 1,643,693,848,100.96/1,228,057.58
  6. Step 6: Final answer
    x = 1,338,450.15

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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.