Home / 1,543,995.97-2,130,683.78-855,653.56

Finding the Fourth Proportional to 1,543,995.97, 2,130,683.78 and 855,653.56

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Solution

The fourth proportional to 1,543,995.97, 2,130,683.78 and 855,653.56 is: 1,180,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,995.97 : 2,130,683.78 = 855,653.56 : x
  2. Step 2: Convert to fraction form
    1,543,995.97/2,130,683.78 = 855,653.56/x
  3. Step 3: Cross multiply
    1,543,995.97x = 2,130,683.78 × 855,653.56
  4. Step 4: Simplify right side
    1,543,995.97x = 1,823,127,153,307.61
  5. Step 5: Solve for x
    x = 1,823,127,153,307.61/1,543,995.97
  6. Step 6: Final answer
    x = 1,180,784.92

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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.