Home / 912,445.59-1,259,064.99-504,492.33

Finding the Fourth Proportional to 912,445.59, 1,259,064.99 and 504,492.33

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Solution

The fourth proportional to 912,445.59, 1,259,064.99 and 504,492.33 is: 696,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,445.59 : 1,259,064.99 = 504,492.33 : x
  2. Step 2: Convert to fraction form
    912,445.59/1,259,064.99 = 504,492.33/x
  3. Step 3: Cross multiply
    912,445.59x = 1,259,064.99 × 504,492.33
  4. Step 4: Simplify right side
    912,445.59x = 635,188,630,426.53
  5. Step 5: Solve for x
    x = 635,188,630,426.53/912,445.59
  6. Step 6: Final answer
    x = 696,138.64

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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.