Home / 927,978.39-1,391,968.28-254,065.28

Finding the Fourth Proportional to 927,978.39, 1,391,968.28 and 254,065.28

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Solution

The fourth proportional to 927,978.39, 1,391,968.28 and 254,065.28 is: 381,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,978.39 : 1,391,968.28 = 254,065.28 : x
  2. Step 2: Convert to fraction form
    927,978.39/1,391,968.28 = 254,065.28/x
  3. Step 3: Cross multiply
    927,978.39x = 1,391,968.28 × 254,065.28
  4. Step 4: Simplify right side
    927,978.39x = 353,650,804,484.64
  5. Step 5: Solve for x
    x = 353,650,804,484.64/927,978.39
  6. Step 6: Final answer
    x = 381,098.10

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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.