Home / 783,905.60-1,176,247.20-447,204.80

Finding the Fourth Proportional to 783,905.60, 1,176,247.20 and 447,204.80

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Solution

The fourth proportional to 783,905.60, 1,176,247.20 and 447,204.80 is: 671,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,905.60 : 1,176,247.20 = 447,204.80 : x
  2. Step 2: Convert to fraction form
    783,905.60/1,176,247.20 = 447,204.80/x
  3. Step 3: Cross multiply
    783,905.60x = 1,176,247.20 × 447,204.80
  4. Step 4: Simplify right side
    783,905.60x = 526,023,393,826.56
  5. Step 5: Solve for x
    x = 526,023,393,826.56/783,905.60
  6. Step 6: Final answer
    x = 671,029.00

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1.5x scale

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.