Home / 753,822.80-1,130,734.20-541,246.40

Finding the Fourth Proportional to 753,822.80, 1,130,734.20 and 541,246.40

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Solution

The fourth proportional to 753,822.80, 1,130,734.20 and 541,246.40 is: 811,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,822.80 : 1,130,734.20 = 541,246.40 : x
  2. Step 2: Convert to fraction form
    753,822.80/1,130,734.20 = 541,246.40/x
  3. Step 3: Cross multiply
    753,822.80x = 1,130,734.20 × 541,246.40
  4. Step 4: Simplify right side
    753,822.80x = 612,005,815,106.88
  5. Step 5: Solve for x
    x = 612,005,815,106.88/753,822.80
  6. Step 6: Final answer
    x = 811,869.60

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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.