Home / 1,190,468.52-1,642,864.12-674,209.59

Finding the Fourth Proportional to 1,190,468.52, 1,642,864.12 and 674,209.59

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Solution

The fourth proportional to 1,190,468.52, 1,642,864.12 and 674,209.59 is: 930,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,468.52 : 1,642,864.12 = 674,209.59 : x
  2. Step 2: Convert to fraction form
    1,190,468.52/1,642,864.12 = 674,209.59/x
  3. Step 3: Cross multiply
    1,190,468.52x = 1,642,864.12 × 674,209.59
  4. Step 4: Simplify right side
    1,190,468.52x = 1,107,634,744,770.91
  5. Step 5: Solve for x
    x = 1,107,634,744,770.91/1,190,468.52
  6. Step 6: Final answer
    x = 930,419.18

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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.