Home / 1,415,188.62-1,952,901.60-770,607.24

Finding the Fourth Proportional to 1,415,188.62, 1,952,901.60 and 770,607.24

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Solution

The fourth proportional to 1,415,188.62, 1,952,901.60 and 770,607.24 is: 1,063,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,188.62 : 1,952,901.60 = 770,607.24 : x
  2. Step 2: Convert to fraction form
    1,415,188.62/1,952,901.60 = 770,607.24/x
  3. Step 3: Cross multiply
    1,415,188.62x = 1,952,901.60 × 770,607.24
  4. Step 4: Simplify right side
    1,415,188.62x = 1,504,920,111,967.58
  5. Step 5: Solve for x
    x = 1,504,920,111,967.58/1,415,188.62
  6. Step 6: Final answer
    x = 1,063,406.03

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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.