Home / 1,117,154.30-1,541,786.40-658,416.59

Finding the Fourth Proportional to 1,117,154.30, 1,541,786.40 and 658,416.59

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Solution

The fourth proportional to 1,117,154.30, 1,541,786.40 and 658,416.59 is: 908,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,154.30 : 1,541,786.40 = 658,416.59 : x
  2. Step 2: Convert to fraction form
    1,117,154.30/1,541,786.40 = 658,416.59/x
  3. Step 3: Cross multiply
    1,117,154.30x = 1,541,786.40 × 658,416.59
  4. Step 4: Simplify right side
    1,117,154.30x = 1,015,137,736,287.44
  5. Step 5: Solve for x
    x = 1,015,137,736,287.44/1,117,154.30
  6. Step 6: Final answer
    x = 908,681.76

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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.