Home / 1,077,827.12-1,617,000.40-403,914.32

Finding the Fourth Proportional to 1,077,827.12, 1,617,000.40 and 403,914.32

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Solution

The fourth proportional to 1,077,827.12, 1,617,000.40 and 403,914.32 is: 605,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,827.12 : 1,617,000.40 = 403,914.32 : x
  2. Step 2: Convert to fraction form
    1,077,827.12/1,617,000.40 = 403,914.32/x
  3. Step 3: Cross multiply
    1,077,827.12x = 1,617,000.40 × 403,914.32
  4. Step 4: Simplify right side
    1,077,827.12x = 653,129,617,005.73
  5. Step 5: Solve for x
    x = 653,129,617,005.73/1,077,827.12
  6. Step 6: Final answer
    x = 605,968.81

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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.