Home / 913,628.84-1,260,818.91-505,768.39

Finding the Fourth Proportional to 913,628.84, 1,260,818.91 and 505,768.39

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Solution

The fourth proportional to 913,628.84, 1,260,818.91 and 505,768.39 is: 697,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,628.84 : 1,260,818.91 = 505,768.39 : x
  2. Step 2: Convert to fraction form
    913,628.84/1,260,818.91 = 505,768.39/x
  3. Step 3: Cross multiply
    913,628.84x = 1,260,818.91 × 505,768.39
  4. Step 4: Simplify right side
    913,628.84x = 637,682,347,040.21
  5. Step 5: Solve for x
    x = 637,682,347,040.21/913,628.84
  6. Step 6: Final answer
    x = 697,966.53

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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.