Home / 705,686.39-973,841.97-383,399.13

Finding the Fourth Proportional to 705,686.39, 973,841.97 and 383,399.13

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Solution

The fourth proportional to 705,686.39, 973,841.97 and 383,399.13 is: 529,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,686.39 : 973,841.97 = 383,399.13 : x
  2. Step 2: Convert to fraction form
    705,686.39/973,841.97 = 383,399.13/x
  3. Step 3: Cross multiply
    705,686.39x = 973,841.97 × 383,399.13
  4. Step 4: Simplify right side
    705,686.39x = 373,370,164,055.49
  5. Step 5: Solve for x
    x = 373,370,164,055.49/705,686.39
  6. Step 6: Final answer
    x = 529,087.95

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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.