Home / 912,488.88-1,259,242.80-504,618.15

Finding the Fourth Proportional to 912,488.88, 1,259,242.80 and 504,618.15

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Solution

The fourth proportional to 912,488.88, 1,259,242.80 and 504,618.15 is: 696,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,488.88 : 1,259,242.80 = 504,618.15 : x
  2. Step 2: Convert to fraction form
    912,488.88/1,259,242.80 = 504,618.15/x
  3. Step 3: Cross multiply
    912,488.88x = 1,259,242.80 × 504,618.15
  4. Step 4: Simplify right side
    912,488.88x = 635,436,772,136.82
  5. Step 5: Solve for x
    x = 635,436,772,136.82/912,488.88
  6. Step 6: Final answer
    x = 696,377.55

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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.