Home / 1,068,261.84-1,474,301.52-638,532.74

Finding the Fourth Proportional to 1,068,261.84, 1,474,301.52 and 638,532.74

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Solution

The fourth proportional to 1,068,261.84, 1,474,301.52 and 638,532.74 is: 881,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,261.84 : 1,474,301.52 = 638,532.74 : x
  2. Step 2: Convert to fraction form
    1,068,261.84/1,474,301.52 = 638,532.74/x
  3. Step 3: Cross multiply
    1,068,261.84x = 1,474,301.52 × 638,532.74
  4. Step 4: Simplify right side
    1,068,261.84x = 941,389,792,837.52
  5. Step 5: Solve for x
    x = 941,389,792,837.52/1,068,261.84
  6. Step 6: Final answer
    x = 881,235.07

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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.