Home / 415,386.51-623,084.73-115,848.87

Finding the Fourth Proportional to 415,386.51, 623,084.73 and 115,848.87

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Solution

The fourth proportional to 415,386.51, 623,084.73 and 115,848.87 is: 173,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,386.51 : 623,084.73 = 115,848.87 : x
  2. Step 2: Convert to fraction form
    415,386.51/623,084.73 = 115,848.87/x
  3. Step 3: Cross multiply
    415,386.51x = 623,084.73 × 115,848.87
  4. Step 4: Simplify right side
    415,386.51x = 72,183,661,884.76
  5. Step 5: Solve for x
    x = 72,183,661,884.76/415,386.51
  6. Step 6: Final answer
    x = 173,774.69

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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.