Home / 887,153.19-1,222,996.66-632,061.51

Finding the Fourth Proportional to 887,153.19, 1,222,996.66 and 632,061.51

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Solution

The fourth proportional to 887,153.19, 1,222,996.66 and 632,061.51 is: 871,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,153.19 : 1,222,996.66 = 632,061.51 : x
  2. Step 2: Convert to fraction form
    887,153.19/1,222,996.66 = 632,061.51/x
  3. Step 3: Cross multiply
    887,153.19x = 1,222,996.66 × 632,061.51
  4. Step 4: Simplify right side
    887,153.19x = 773,009,115,644.56
  5. Step 5: Solve for x
    x = 773,009,115,644.56/887,153.19
  6. Step 6: Final answer
    x = 871,336.68

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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.