Home / 908,671.53-1,253,975.28-500,788.08

Finding the Fourth Proportional to 908,671.53, 1,253,975.28 and 500,788.08

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Solution

The fourth proportional to 908,671.53, 1,253,975.28 and 500,788.08 is: 691,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,671.53 : 1,253,975.28 = 500,788.08 : x
  2. Step 2: Convert to fraction form
    908,671.53/1,253,975.28 = 500,788.08/x
  3. Step 3: Cross multiply
    908,671.53x = 1,253,975.28 × 500,788.08
  4. Step 4: Simplify right side
    908,671.53x = 627,975,872,838.66
  5. Step 5: Solve for x
    x = 627,975,872,838.66/908,671.53
  6. Step 6: Final answer
    x = 691,092.27

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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.