Home / 1,015,215.31-1,400,997.14-562,506.31

Finding the Fourth Proportional to 1,015,215.31, 1,400,997.14 and 562,506.31

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Solution

The fourth proportional to 1,015,215.31, 1,400,997.14 and 562,506.31 is: 776,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,215.31 : 1,400,997.14 = 562,506.31 : x
  2. Step 2: Convert to fraction form
    1,015,215.31/1,400,997.14 = 562,506.31/x
  3. Step 3: Cross multiply
    1,015,215.31x = 1,400,997.14 × 562,506.31
  4. Step 4: Simplify right side
    1,015,215.31x = 788,069,731,541.95
  5. Step 5: Solve for x
    x = 788,069,731,541.95/1,015,215.31
  6. Step 6: Final answer
    x = 776,258.71

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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.