Home / 940,492.84-1,294,930.20-829,998.40

Finding the Fourth Proportional to 940,492.84, 1,294,930.20 and 829,998.40

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Solution

The fourth proportional to 940,492.84, 1,294,930.20 and 829,998.40 is: 1,142,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,492.84 : 1,294,930.20 = 829,998.40 : x
  2. Step 2: Convert to fraction form
    940,492.84/1,294,930.20 = 829,998.40/x
  3. Step 3: Cross multiply
    940,492.84x = 1,294,930.20 × 829,998.40
  4. Step 4: Simplify right side
    940,492.84x = 1,074,789,994,111.68
  5. Step 5: Solve for x
    x = 1,074,789,994,111.68/940,492.84
  6. Step 6: Final answer
    x = 1,142,794.45

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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.