Home / 763,195.43-1,053,168.58-423,641.81

Finding the Fourth Proportional to 763,195.43, 1,053,168.58 and 423,641.81

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Solution

The fourth proportional to 763,195.43, 1,053,168.58 and 423,641.81 is: 584,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,195.43 : 1,053,168.58 = 423,641.81 : x
  2. Step 2: Convert to fraction form
    763,195.43/1,053,168.58 = 423,641.81/x
  3. Step 3: Cross multiply
    763,195.43x = 1,053,168.58 × 423,641.81
  4. Step 4: Simplify right side
    763,195.43x = 446,166,246,628.80
  5. Step 5: Solve for x
    x = 446,166,246,628.80/763,195.43
  6. Step 6: Final answer
    x = 584,602.88

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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.