Home / 763,716.48-1,053,811.62-441,364.35

Finding the Fourth Proportional to 763,716.48, 1,053,811.62 and 441,364.35

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Solution

The fourth proportional to 763,716.48, 1,053,811.62 and 441,364.35 is: 609,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,716.48 : 1,053,811.62 = 441,364.35 : x
  2. Step 2: Convert to fraction form
    763,716.48/1,053,811.62 = 441,364.35/x
  3. Step 3: Cross multiply
    763,716.48x = 1,053,811.62 × 441,364.35
  4. Step 4: Simplify right side
    763,716.48x = 465,114,880,683.75
  5. Step 5: Solve for x
    x = 465,114,880,683.75/763,716.48
  6. Step 6: Final answer
    x = 609,015.12

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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.