Home / 803,615.64-1,108,986.35-441,045.46

Finding the Fourth Proportional to 803,615.64, 1,108,986.35 and 441,045.46

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Solution

The fourth proportional to 803,615.64, 1,108,986.35 and 441,045.46 is: 608,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,615.64 : 1,108,986.35 = 441,045.46 : x
  2. Step 2: Convert to fraction form
    803,615.64/1,108,986.35 = 441,045.46/x
  3. Step 3: Cross multiply
    803,615.64x = 1,108,986.35 × 441,045.46
  4. Step 4: Simplify right side
    803,615.64x = 489,113,394,869.47
  5. Step 5: Solve for x
    x = 489,113,394,869.47/803,615.64
  6. Step 6: Final answer
    x = 608,640.96

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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.