Home / 627,224.32-865,536.78-340,743.52

Finding the Fourth Proportional to 627,224.32, 865,536.78 and 340,743.52

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Solution

The fourth proportional to 627,224.32, 865,536.78 and 340,743.52 is: 470,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,224.32 : 865,536.78 = 340,743.52 : x
  2. Step 2: Convert to fraction form
    627,224.32/865,536.78 = 340,743.52/x
  3. Step 3: Cross multiply
    627,224.32x = 865,536.78 × 340,743.52
  4. Step 4: Simplify right side
    627,224.32x = 294,926,049,106.67
  5. Step 5: Solve for x
    x = 294,926,049,106.67/627,224.32
  6. Step 6: Final answer
    x = 470,208.25

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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.