Home / 627,733.16-865,458.66-406,576.97

Finding the Fourth Proportional to 627,733.16, 865,458.66 and 406,576.97

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Solution

The fourth proportional to 627,733.16, 865,458.66 and 406,576.97 is: 560,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,733.16 : 865,458.66 = 406,576.97 : x
  2. Step 2: Convert to fraction form
    627,733.16/865,458.66 = 406,576.97/x
  3. Step 3: Cross multiply
    627,733.16x = 865,458.66 × 406,576.97
  4. Step 4: Simplify right side
    627,733.16x = 351,875,555,315.77
  5. Step 5: Solve for x
    x = 351,875,555,315.77/627,733.16
  6. Step 6: Final answer
    x = 560,549.58

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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.