Home / 579,609.04-869,416.56-263,845.12

Finding the Fourth Proportional to 579,609.04, 869,416.56 and 263,845.12

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Solution

The fourth proportional to 579,609.04, 869,416.56 and 263,845.12 is: 395,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,609.04 : 869,416.56 = 263,845.12 : x
  2. Step 2: Convert to fraction form
    579,609.04/869,416.56 = 263,845.12/x
  3. Step 3: Cross multiply
    579,609.04x = 869,416.56 × 263,845.12
  4. Step 4: Simplify right side
    579,609.04x = 229,391,316,603.19
  5. Step 5: Solve for x
    x = 229,391,316,603.19/579,609.04
  6. Step 6: Final answer
    x = 395,769.05

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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.