Home / 569,968.40-853,786.20-289,643.60

Finding the Fourth Proportional to 569,968.40, 853,786.20 and 289,643.60

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Solution

The fourth proportional to 569,968.40, 853,786.20 and 289,643.60 is: 433,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,968.40 : 853,786.20 = 289,643.60 : x
  2. Step 2: Convert to fraction form
    569,968.40/853,786.20 = 289,643.60/x
  3. Step 3: Cross multiply
    569,968.40x = 853,786.20 × 289,643.60
  4. Step 4: Simplify right side
    569,968.40x = 247,293,708,598.32
  5. Step 5: Solve for x
    x = 247,293,708,598.32/569,968.40
  6. Step 6: Final answer
    x = 433,872.66

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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.