Home / 1,065,937.80-1,596,833.10-643,960.20

Finding the Fourth Proportional to 1,065,937.80, 1,596,833.10 and 643,960.20

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Solution

The fourth proportional to 1,065,937.80, 1,596,833.10 and 643,960.20 is: 964,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,937.80 : 1,596,833.10 = 643,960.20 : x
  2. Step 2: Convert to fraction form
    1,065,937.80/1,596,833.10 = 643,960.20/x
  3. Step 3: Cross multiply
    1,065,937.80x = 1,596,833.10 × 643,960.20
  4. Step 4: Simplify right side
    1,065,937.80x = 1,028,296,962,442.62
  5. Step 5: Solve for x
    x = 1,028,296,962,442.62/1,065,937.80
  6. Step 6: Final answer
    x = 964,687.59

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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.