Home / 1,057,982.40-1,586,973.56-310,028.40

Finding the Fourth Proportional to 1,057,982.40, 1,586,973.56 and 310,028.40

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Solution

The fourth proportional to 1,057,982.40, 1,586,973.56 and 310,028.40 is: 465,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,982.40 : 1,586,973.56 = 310,028.40 : x
  2. Step 2: Convert to fraction form
    1,057,982.40/1,586,973.56 = 310,028.40/x
  3. Step 3: Cross multiply
    1,057,982.40x = 1,586,973.56 × 310,028.40
  4. Step 4: Simplify right side
    1,057,982.40x = 492,006,873,649.10
  5. Step 5: Solve for x
    x = 492,006,873,649.10/1,057,982.40
  6. Step 6: Final answer
    x = 465,042.59

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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.