Home / 783,599.88-1,080,211.50-611,324.04

Finding the Fourth Proportional to 783,599.88, 1,080,211.50 and 611,324.04

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Solution

The fourth proportional to 783,599.88, 1,080,211.50 and 611,324.04 is: 842,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,599.88 : 1,080,211.50 = 611,324.04 : x
  2. Step 2: Convert to fraction form
    783,599.88/1,080,211.50 = 611,324.04/x
  3. Step 3: Cross multiply
    783,599.88x = 1,080,211.50 × 611,324.04
  4. Step 4: Simplify right side
    783,599.88x = 660,359,258,234.46
  5. Step 5: Solve for x
    x = 660,359,258,234.46/783,599.88
  6. Step 6: Final answer
    x = 842,725.06

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1.5x scale

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.