Home / 1,116,513.12-1,540,822.56-633,098.40

Finding the Fourth Proportional to 1,116,513.12, 1,540,822.56 and 633,098.40

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Solution

The fourth proportional to 1,116,513.12, 1,540,822.56 and 633,098.40 is: 873,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,513.12 : 1,540,822.56 = 633,098.40 : x
  2. Step 2: Convert to fraction form
    1,116,513.12/1,540,822.56 = 633,098.40/x
  3. Step 3: Cross multiply
    1,116,513.12x = 1,540,822.56 × 633,098.40
  4. Step 4: Simplify right side
    1,116,513.12x = 975,492,297,419.90
  5. Step 5: Solve for x
    x = 975,492,297,419.90/1,116,513.12
  6. Step 6: Final answer
    x = 873,695.33

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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.