Home / 415,733.18-623,796.59-238,390.16

Finding the Fourth Proportional to 415,733.18, 623,796.59 and 238,390.16

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Solution

The fourth proportional to 415,733.18, 623,796.59 and 238,390.16 is: 357,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,733.18 : 623,796.59 = 238,390.16 : x
  2. Step 2: Convert to fraction form
    415,733.18/623,796.59 = 238,390.16/x
  3. Step 3: Cross multiply
    415,733.18x = 623,796.59 × 238,390.16
  4. Step 4: Simplify right side
    415,733.18x = 148,706,966,374.55
  5. Step 5: Solve for x
    x = 148,706,966,374.55/415,733.18
  6. Step 6: Final answer
    x = 357,698.10

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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.