Home / 855,966.82-1,283,947.14-256,925.38

Finding the Fourth Proportional to 855,966.82, 1,283,947.14 and 256,925.38

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Solution

The fourth proportional to 855,966.82, 1,283,947.14 and 256,925.38 is: 385,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,966.82 : 1,283,947.14 = 256,925.38 : x
  2. Step 2: Convert to fraction form
    855,966.82/1,283,947.14 = 256,925.38/x
  3. Step 3: Cross multiply
    855,966.82x = 1,283,947.14 × 256,925.38
  4. Step 4: Simplify right side
    855,966.82x = 329,878,606,844.41
  5. Step 5: Solve for x
    x = 329,878,606,844.41/855,966.82
  6. Step 6: Final answer
    x = 385,387.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.