Home / 897,610.56-1,238,579.70-515,637.24

Finding the Fourth Proportional to 897,610.56, 1,238,579.70 and 515,637.24

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Solution

The fourth proportional to 897,610.56, 1,238,579.70 and 515,637.24 is: 711,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,610.56 : 1,238,579.70 = 515,637.24 : x
  2. Step 2: Convert to fraction form
    897,610.56/1,238,579.70 = 515,637.24/x
  3. Step 3: Cross multiply
    897,610.56x = 1,238,579.70 × 515,637.24
  4. Step 4: Simplify right side
    897,610.56x = 638,657,818,028.03
  5. Step 5: Solve for x
    x = 638,657,818,028.03/897,610.56
  6. Step 6: Final answer
    x = 711,508.81

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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.