Home / 488,208.39-673,581.83-315,853.35

Finding the Fourth Proportional to 488,208.39, 673,581.83 and 315,853.35

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Solution

The fourth proportional to 488,208.39, 673,581.83 and 315,853.35 is: 435,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,208.39 : 673,581.83 = 315,853.35 : x
  2. Step 2: Convert to fraction form
    488,208.39/673,581.83 = 315,853.35/x
  3. Step 3: Cross multiply
    488,208.39x = 673,581.83 × 315,853.35
  4. Step 4: Simplify right side
    488,208.39x = 212,753,075,925.36
  5. Step 5: Solve for x
    x = 212,753,075,925.36/488,208.39
  6. Step 6: Final answer
    x = 435,783.33

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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.