Home / 957,143.64-1,320,858.34-554,968.92

Finding the Fourth Proportional to 957,143.64, 1,320,858.34 and 554,968.92

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Solution

The fourth proportional to 957,143.64, 1,320,858.34 and 554,968.92 is: 765,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,143.64 : 1,320,858.34 = 554,968.92 : x
  2. Step 2: Convert to fraction form
    957,143.64/1,320,858.34 = 554,968.92/x
  3. Step 3: Cross multiply
    957,143.64x = 1,320,858.34 × 554,968.92
  4. Step 4: Simplify right side
    957,143.64x = 733,035,326,422.79
  5. Step 5: Solve for x
    x = 733,035,326,422.79/957,143.64
  6. Step 6: Final answer
    x = 765,857.18

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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.