Home / 894,809.43-1,234,890.16-512,860.82

Finding the Fourth Proportional to 894,809.43, 1,234,890.16 and 512,860.82

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Solution

The fourth proportional to 894,809.43, 1,234,890.16 and 512,860.82 is: 707,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,809.43 : 1,234,890.16 = 512,860.82 : x
  2. Step 2: Convert to fraction form
    894,809.43/1,234,890.16 = 512,860.82/x
  3. Step 3: Cross multiply
    894,809.43x = 1,234,890.16 × 512,860.82
  4. Step 4: Simplify right side
    894,809.43x = 633,326,772,610.93
  5. Step 5: Solve for x
    x = 633,326,772,610.93/894,809.43
  6. Step 6: Final answer
    x = 707,778.38

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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.