Home / 763,634.34-1,053,786.42-424,124.46

Finding the Fourth Proportional to 763,634.34, 1,053,786.42 and 424,124.46

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Solution

The fourth proportional to 763,634.34, 1,053,786.42 and 424,124.46 is: 585,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,634.34 : 1,053,786.42 = 424,124.46 : x
  2. Step 2: Convert to fraction form
    763,634.34/1,053,786.42 = 424,124.46/x
  3. Step 3: Cross multiply
    763,634.34x = 1,053,786.42 × 424,124.46
  4. Step 4: Simplify right side
    763,634.34x = 446,936,596,337.83
  5. Step 5: Solve for x
    x = 446,936,596,337.83/763,634.34
  6. Step 6: Final answer
    x = 585,275.67

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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.