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Finding the Fourth Proportional to 733,781.80, 1,100,672.70 and 680,637.70

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Solution

The fourth proportional to 733,781.80, 1,100,672.70 and 680,637.70 is: 1,020,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,781.80 : 1,100,672.70 = 680,637.70 : x
  2. Step 2: Convert to fraction form
    733,781.80/1,100,672.70 = 680,637.70/x
  3. Step 3: Cross multiply
    733,781.80x = 1,100,672.70 × 680,637.70
  4. Step 4: Simplify right side
    733,781.80x = 749,159,334,980.79
  5. Step 5: Solve for x
    x = 749,159,334,980.79/733,781.80
  6. Step 6: Final answer
    x = 1,020,956.55

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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.