Home / 1,152,043.63-1,589,817.54-668,891.59

Finding the Fourth Proportional to 1,152,043.63, 1,589,817.54 and 668,891.59

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Solution

The fourth proportional to 1,152,043.63, 1,589,817.54 and 668,891.59 is: 923,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,043.63 : 1,589,817.54 = 668,891.59 : x
  2. Step 2: Convert to fraction form
    1,152,043.63/1,589,817.54 = 668,891.59/x
  3. Step 3: Cross multiply
    1,152,043.63x = 1,589,817.54 × 668,891.59
  4. Step 4: Simplify right side
    1,152,043.63x = 1,063,415,582,140.49
  5. Step 5: Solve for x
    x = 1,063,415,582,140.49/1,152,043.63
  6. Step 6: Final answer
    x = 923,068.84

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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.