Home / 827,156.80-1,240,735.20-753,673.60

Finding the Fourth Proportional to 827,156.80, 1,240,735.20 and 753,673.60

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Solution

The fourth proportional to 827,156.80, 1,240,735.20 and 753,673.60 is: 1,130,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,156.80 : 1,240,735.20 = 753,673.60 : x
  2. Step 2: Convert to fraction form
    827,156.80/1,240,735.20 = 753,673.60/x
  3. Step 3: Cross multiply
    827,156.80x = 1,240,735.20 × 753,673.60
  4. Step 4: Simplify right side
    827,156.80x = 935,109,364,830.72
  5. Step 5: Solve for x
    x = 935,109,364,830.72/827,156.80
  6. Step 6: Final answer
    x = 1,130,510.40

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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.