Home / 917,839.25-1,376,369.54-437,511.38

Finding the Fourth Proportional to 917,839.25, 1,376,369.54 and 437,511.38

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Solution

The fourth proportional to 917,839.25, 1,376,369.54 and 437,511.38 is: 656,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,839.25 : 1,376,369.54 = 437,511.38 : x
  2. Step 2: Convert to fraction form
    917,839.25/1,376,369.54 = 437,511.38/x
  3. Step 3: Cross multiply
    917,839.25x = 1,376,369.54 × 437,511.38
  4. Step 4: Simplify right side
    917,839.25x = 602,177,327,765.96
  5. Step 5: Solve for x
    x = 602,177,327,765.96/917,839.25
  6. Step 6: Final answer
    x = 656,081.48

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1.5x scale

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.