Home / 985,586.20-1,476,305.70-819,698.20

Finding the Fourth Proportional to 985,586.20, 1,476,305.70 and 819,698.20

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Solution

The fourth proportional to 985,586.20, 1,476,305.70 and 819,698.20 is: 1,227,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,586.20 : 1,476,305.70 = 819,698.20 : x
  2. Step 2: Convert to fraction form
    985,586.20/1,476,305.70 = 819,698.20/x
  3. Step 3: Cross multiply
    985,586.20x = 1,476,305.70 × 819,698.20
  4. Step 4: Simplify right side
    985,586.20x = 1,210,125,124,939.74
  5. Step 5: Solve for x
    x = 1,210,125,124,939.74/985,586.20
  6. Step 6: Final answer
    x = 1,227,822.72

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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.