Home / 721,845.14-996,368.04-416,125.89

Finding the Fourth Proportional to 721,845.14, 996,368.04 and 416,125.89

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Solution

The fourth proportional to 721,845.14, 996,368.04 and 416,125.89 is: 574,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,845.14 : 996,368.04 = 416,125.89 : x
  2. Step 2: Convert to fraction form
    721,845.14/996,368.04 = 416,125.89/x
  3. Step 3: Cross multiply
    721,845.14x = 996,368.04 × 416,125.89
  4. Step 4: Simplify right side
    721,845.14x = 414,614,537,412.56
  5. Step 5: Solve for x
    x = 414,614,537,412.56/721,845.14
  6. Step 6: Final answer
    x = 574,381.56

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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.