Home / 881,889.75-1,216,972.62-519,328.89

Finding the Fourth Proportional to 881,889.75, 1,216,972.62 and 519,328.89

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Solution

The fourth proportional to 881,889.75, 1,216,972.62 and 519,328.89 is: 716,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,889.75 : 1,216,972.62 = 519,328.89 : x
  2. Step 2: Convert to fraction form
    881,889.75/1,216,972.62 = 519,328.89/x
  3. Step 3: Cross multiply
    881,889.75x = 1,216,972.62 × 519,328.89
  4. Step 4: Simplify right side
    881,889.75x = 632,009,039,904.99
  5. Step 5: Solve for x
    x = 632,009,039,904.99/881,889.75
  6. Step 6: Final answer
    x = 716,653.12

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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.