Home / 1,017,927.54-1,404,803.31-565,221.78

Finding the Fourth Proportional to 1,017,927.54, 1,404,803.31 and 565,221.78

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Solution

The fourth proportional to 1,017,927.54, 1,404,803.31 and 565,221.78 is: 780,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,927.54 : 1,404,803.31 = 565,221.78 : x
  2. Step 2: Convert to fraction form
    1,017,927.54/1,404,803.31 = 565,221.78/x
  3. Step 3: Cross multiply
    1,017,927.54x = 1,404,803.31 × 565,221.78
  4. Step 4: Simplify right side
    1,017,927.54x = 794,025,427,428.09
  5. Step 5: Solve for x
    x = 794,025,427,428.09/1,017,927.54
  6. Step 6: Final answer
    x = 780,041.21

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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.