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Finding the Fourth Proportional to 1,437,673.56, 1,983,983.88 and 793,133.88

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Solution

The fourth proportional to 1,437,673.56, 1,983,983.88 and 793,133.88 is: 1,094,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,673.56 : 1,983,983.88 = 793,133.88 : x
  2. Step 2: Convert to fraction form
    1,437,673.56/1,983,983.88 = 793,133.88/x
  3. Step 3: Cross multiply
    1,437,673.56x = 1,983,983.88 × 793,133.88
  4. Step 4: Simplify right side
    1,437,673.56x = 1,573,564,832,601.85
  5. Step 5: Solve for x
    x = 1,573,564,832,601.85/1,437,673.56
  6. Step 6: Final answer
    x = 1,094,521.65

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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.