Home / 753,623.40-1,130,435.10-682,764.60

Finding the Fourth Proportional to 753,623.40, 1,130,435.10 and 682,764.60

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Solution

The fourth proportional to 753,623.40, 1,130,435.10 and 682,764.60 is: 1,024,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,623.40 : 1,130,435.10 = 682,764.60 : x
  2. Step 2: Convert to fraction form
    753,623.40/1,130,435.10 = 682,764.60/x
  3. Step 3: Cross multiply
    753,623.40x = 1,130,435.10 × 682,764.60
  4. Step 4: Simplify right side
    753,623.40x = 771,821,068,877.46
  5. Step 5: Solve for x
    x = 771,821,068,877.46/753,623.40
  6. Step 6: Final answer
    x = 1,024,146.90

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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.