Home / 1,007,936.16-1,390,951.60-555,236.64

Finding the Fourth Proportional to 1,007,936.16, 1,390,951.60 and 555,236.64

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Solution

The fourth proportional to 1,007,936.16, 1,390,951.60 and 555,236.64 is: 766,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,936.16 : 1,390,951.60 = 555,236.64 : x
  2. Step 2: Convert to fraction form
    1,007,936.16/1,390,951.60 = 555,236.64/x
  3. Step 3: Cross multiply
    1,007,936.16x = 1,390,951.60 × 555,236.64
  4. Step 4: Simplify right side
    1,007,936.16x = 772,307,292,786.62
  5. Step 5: Solve for x
    x = 772,307,292,786.62/1,007,936.16
  6. Step 6: Final answer
    x = 766,226.40

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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.