Home / 763,628.52-1,053,809.82-424,096.77

Finding the Fourth Proportional to 763,628.52, 1,053,809.82 and 424,096.77

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Solution

The fourth proportional to 763,628.52, 1,053,809.82 and 424,096.77 is: 585,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,628.52 : 1,053,809.82 = 424,096.77 : x
  2. Step 2: Convert to fraction form
    763,628.52/1,053,809.82 = 424,096.77/x
  3. Step 3: Cross multiply
    763,628.52x = 1,053,809.82 × 424,096.77
  4. Step 4: Simplify right side
    763,628.52x = 446,917,340,856.28
  5. Step 5: Solve for x
    x = 446,917,340,856.28/763,628.52
  6. Step 6: Final answer
    x = 585,254.91

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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.