Home / 738,371.88-1,018,947.12-411,681.01

Finding the Fourth Proportional to 738,371.88, 1,018,947.12 and 411,681.01

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Solution

The fourth proportional to 738,371.88, 1,018,947.12 and 411,681.01 is: 568,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,371.88 : 1,018,947.12 = 411,681.01 : x
  2. Step 2: Convert to fraction form
    738,371.88/1,018,947.12 = 411,681.01/x
  3. Step 3: Cross multiply
    738,371.88x = 1,018,947.12 × 411,681.01
  4. Step 4: Simplify right side
    738,371.88x = 419,481,179,498.19
  5. Step 5: Solve for x
    x = 419,481,179,498.19/738,371.88
  6. Step 6: Final answer
    x = 568,116.41

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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.