Home / 1,432,811.45-1,977,296.13-820,951.93

Finding the Fourth Proportional to 1,432,811.45, 1,977,296.13 and 820,951.93

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Solution

The fourth proportional to 1,432,811.45, 1,977,296.13 and 820,951.93 is: 1,132,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,811.45 : 1,977,296.13 = 820,951.93 : x
  2. Step 2: Convert to fraction form
    1,432,811.45/1,977,296.13 = 820,951.93/x
  3. Step 3: Cross multiply
    1,432,811.45x = 1,977,296.13 × 820,951.93
  4. Step 4: Simplify right side
    1,432,811.45x = 1,623,265,076,576.65
  5. Step 5: Solve for x
    x = 1,623,265,076,576.65/1,432,811.45
  6. Step 6: Final answer
    x = 1,132,923.02

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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.