Home / 1,117,666-1,676,539.80-398,060.70

Finding the Fourth Proportional to 1,117,666, 1,676,539.80 and 398,060.70

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Solution

The fourth proportional to 1,117,666, 1,676,539.80 and 398,060.70 is: 597,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,666 : 1,676,539.80 = 398,060.70 : x
  2. Step 2: Convert to fraction form
    1,117,666/1,676,539.80 = 398,060.70/x
  3. Step 3: Cross multiply
    1,117,666x = 1,676,539.80 × 398,060.70
  4. Step 4: Simplify right side
    1,117,666x = 667,364,606,365.86
  5. Step 5: Solve for x
    x = 667,364,606,365.86/1,117,666
  6. Step 6: Final answer
    x = 597,105.58

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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.