Home / 1,190,420.84-1,784,112.78-557,941.16

Finding the Fourth Proportional to 1,190,420.84, 1,784,112.78 and 557,941.16

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Solution

The fourth proportional to 1,190,420.84, 1,784,112.78 and 557,941.16 is: 836,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,420.84 : 1,784,112.78 = 557,941.16 : x
  2. Step 2: Convert to fraction form
    1,190,420.84/1,784,112.78 = 557,941.16/x
  3. Step 3: Cross multiply
    1,190,420.84x = 1,784,112.78 × 557,941.16
  4. Step 4: Simplify right side
    1,190,420.84x = 995,429,954,044.03
  5. Step 5: Solve for x
    x = 995,429,954,044.03/1,190,420.84
  6. Step 6: Final answer
    x = 836,200.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.