Home / 1,156,476.25-1,596,104.21-666,351.87

Finding the Fourth Proportional to 1,156,476.25, 1,596,104.21 and 666,351.87

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Solution

The fourth proportional to 1,156,476.25, 1,596,104.21 and 666,351.87 is: 919,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,476.25 : 1,596,104.21 = 666,351.87 : x
  2. Step 2: Convert to fraction form
    1,156,476.25/1,596,104.21 = 666,351.87/x
  3. Step 3: Cross multiply
    1,156,476.25x = 1,596,104.21 × 666,351.87
  4. Step 4: Simplify right side
    1,156,476.25x = 1,063,567,021,716.61
  5. Step 5: Solve for x
    x = 1,063,567,021,716.61/1,156,476.25
  6. Step 6: Final answer
    x = 919,661.80

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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.