Home / 882,904.59-1,218,385.40-515,452.14

Finding the Fourth Proportional to 882,904.59, 1,218,385.40 and 515,452.14

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Solution

The fourth proportional to 882,904.59, 1,218,385.40 and 515,452.14 is: 711,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,904.59 : 1,218,385.40 = 515,452.14 : x
  2. Step 2: Convert to fraction form
    882,904.59/1,218,385.40 = 515,452.14/x
  3. Step 3: Cross multiply
    882,904.59x = 1,218,385.40 × 515,452.14
  4. Step 4: Simplify right side
    882,904.59x = 628,019,359,197.50
  5. Step 5: Solve for x
    x = 628,019,359,197.50/882,904.59
  6. Step 6: Final answer
    x = 711,310.56

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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.