Home / 913,799.20-1,261,817.04-574,376.80

Finding the Fourth Proportional to 913,799.20, 1,261,817.04 and 574,376.80

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Solution

The fourth proportional to 913,799.20, 1,261,817.04 and 574,376.80 is: 793,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,799.20 : 1,261,817.04 = 574,376.80 : x
  2. Step 2: Convert to fraction form
    913,799.20/1,261,817.04 = 574,376.80/x
  3. Step 3: Cross multiply
    913,799.20x = 1,261,817.04 × 574,376.80
  4. Step 4: Simplify right side
    913,799.20x = 724,758,433,620.67
  5. Step 5: Solve for x
    x = 724,758,433,620.67/913,799.20
  6. Step 6: Final answer
    x = 793,126.58

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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.