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Finding the Fourth Proportional to 894,806.56, 1,234,796.70 and 512,567.56

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Solution

The fourth proportional to 894,806.56, 1,234,796.70 and 512,567.56 is: 707,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,806.56 : 1,234,796.70 = 512,567.56 : x
  2. Step 2: Convert to fraction form
    894,806.56/1,234,796.70 = 512,567.56/x
  3. Step 3: Cross multiply
    894,806.56x = 1,234,796.70 × 512,567.56
  4. Step 4: Simplify right side
    894,806.56x = 632,916,731,615.05
  5. Step 5: Solve for x
    x = 632,916,731,615.05/894,806.56
  6. Step 6: Final answer
    x = 707,322.41

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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.