Home / 896,031.72-1,343,580.93-422,589.96

Finding the Fourth Proportional to 896,031.72, 1,343,580.93 and 422,589.96

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Solution

The fourth proportional to 896,031.72, 1,343,580.93 and 422,589.96 is: 633,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,031.72 : 1,343,580.93 = 422,589.96 : x
  2. Step 2: Convert to fraction form
    896,031.72/1,343,580.93 = 422,589.96/x
  3. Step 3: Cross multiply
    896,031.72x = 1,343,580.93 × 422,589.96
  4. Step 4: Simplify right side
    896,031.72x = 567,783,811,465.46
  5. Step 5: Solve for x
    x = 567,783,811,465.46/896,031.72
  6. Step 6: Final answer
    x = 633,664.86

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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.