Home / 403,928.52-557,421.39-234,261.06

Finding the Fourth Proportional to 403,928.52, 557,421.39 and 234,261.06

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Solution

The fourth proportional to 403,928.52, 557,421.39 and 234,261.06 is: 323,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,928.52 : 557,421.39 = 234,261.06 : x
  2. Step 2: Convert to fraction form
    403,928.52/557,421.39 = 234,261.06/x
  3. Step 3: Cross multiply
    403,928.52x = 557,421.39 × 234,261.06
  4. Step 4: Simplify right side
    403,928.52x = 130,582,125,688.07
  5. Step 5: Solve for x
    x = 130,582,125,688.07/403,928.52
  6. Step 6: Final answer
    x = 323,280.28

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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.