Home / 784,220.70-1,177,205.85-732,826.20

Finding the Fourth Proportional to 784,220.70, 1,177,205.85 and 732,826.20

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Solution

The fourth proportional to 784,220.70, 1,177,205.85 and 732,826.20 is: 1,100,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,220.70 : 1,177,205.85 = 732,826.20 : x
  2. Step 2: Convert to fraction form
    784,220.70/1,177,205.85 = 732,826.20/x
  3. Step 3: Cross multiply
    784,220.70x = 1,177,205.85 × 732,826.20
  4. Step 4: Simplify right side
    784,220.70x = 862,687,289,673.27
  5. Step 5: Solve for x
    x = 862,687,289,673.27/784,220.70
  6. Step 6: Final answer
    x = 1,100,056.77

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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.