Home / 1,161,333.06-1,602,585.46-645,120.41

Finding the Fourth Proportional to 1,161,333.06, 1,602,585.46 and 645,120.41

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Solution

The fourth proportional to 1,161,333.06, 1,602,585.46 and 645,120.41 is: 890,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,333.06 : 1,602,585.46 = 645,120.41 : x
  2. Step 2: Convert to fraction form
    1,161,333.06/1,602,585.46 = 645,120.41/x
  3. Step 3: Cross multiply
    1,161,333.06x = 1,602,585.46 × 645,120.41
  4. Step 4: Simplify right side
    1,161,333.06x = 1,033,860,589,015.24
  5. Step 5: Solve for x
    x = 1,033,860,589,015.24/1,161,333.06
  6. Step 6: Final answer
    x = 890,236.08

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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.