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Finding the Fourth Proportional to 733,779.80, 1,100,669.70 and 680,635.70

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Solution

The fourth proportional to 733,779.80, 1,100,669.70 and 680,635.70 is: 1,020,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,779.80 : 1,100,669.70 = 680,635.70 : x
  2. Step 2: Convert to fraction form
    733,779.80/1,100,669.70 = 680,635.70/x
  3. Step 3: Cross multiply
    733,779.80x = 1,100,669.70 × 680,635.70
  4. Step 4: Simplify right side
    733,779.80x = 749,155,091,728.29
  5. Step 5: Solve for x
    x = 749,155,091,728.29/733,779.80
  6. Step 6: Final answer
    x = 1,020,953.55

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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.