Home / 763,725.79-1,053,824.44-441,373.64

Finding the Fourth Proportional to 763,725.79, 1,053,824.44 and 441,373.64

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Solution

The fourth proportional to 763,725.79, 1,053,824.44 and 441,373.64 is: 609,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,725.79 : 1,053,824.44 = 441,373.64 : x
  2. Step 2: Convert to fraction form
    763,725.79/1,053,824.44 = 441,373.64/x
  3. Step 3: Cross multiply
    763,725.79x = 1,053,824.44 × 441,373.64
  4. Step 4: Simplify right side
    763,725.79x = 465,130,329,003.76
  5. Step 5: Solve for x
    x = 465,130,329,003.76/763,725.79
  6. Step 6: Final answer
    x = 609,027.92

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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.