Home / 1,062,836.64-1,594,252.80-431,602.56

Finding the Fourth Proportional to 1,062,836.64, 1,594,252.80 and 431,602.56

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Solution

The fourth proportional to 1,062,836.64, 1,594,252.80 and 431,602.56 is: 647,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,836.64 : 1,594,252.80 = 431,602.56 : x
  2. Step 2: Convert to fraction form
    1,062,836.64/1,594,252.80 = 431,602.56/x
  3. Step 3: Cross multiply
    1,062,836.64x = 1,594,252.80 × 431,602.56
  4. Step 4: Simplify right side
    1,062,836.64x = 688,083,589,767.17
  5. Step 5: Solve for x
    x = 688,083,589,767.17/1,062,836.64
  6. Step 6: Final answer
    x = 647,402.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.