Home / 1,078,112.64-1,618,164.96-546,007.68

Finding the Fourth Proportional to 1,078,112.64, 1,618,164.96 and 546,007.68

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Solution

The fourth proportional to 1,078,112.64, 1,618,164.96 and 546,007.68 is: 819,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,112.64 : 1,618,164.96 = 546,007.68 : x
  2. Step 2: Convert to fraction form
    1,078,112.64/1,618,164.96 = 546,007.68/x
  3. Step 3: Cross multiply
    1,078,112.64x = 1,618,164.96 × 546,007.68
  4. Step 4: Simplify right side
    1,078,112.64x = 883,530,495,666.89
  5. Step 5: Solve for x
    x = 883,530,495,666.89/1,078,112.64
  6. Step 6: Final answer
    x = 819,515.94

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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.