Home / 627,237.20-865,597.85-340,757.51

Finding the Fourth Proportional to 627,237.20, 865,597.85 and 340,757.51

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Solution

The fourth proportional to 627,237.20, 865,597.85 and 340,757.51 is: 470,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,237.20 : 865,597.85 = 340,757.51 : x
  2. Step 2: Convert to fraction form
    627,237.20/865,597.85 = 340,757.51/x
  3. Step 3: Cross multiply
    627,237.20x = 865,597.85 × 340,757.51
  4. Step 4: Simplify right side
    627,237.20x = 294,958,971,043.24
  5. Step 5: Solve for x
    x = 294,958,971,043.24/627,237.20
  6. Step 6: Final answer
    x = 470,251.08

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1.5x scale

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.