Home / 1,255,984.40-1,733,217.92-712,168.63

Finding the Fourth Proportional to 1,255,984.40, 1,733,217.92 and 712,168.63

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Solution

The fourth proportional to 1,255,984.40, 1,733,217.92 and 712,168.63 is: 982,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,984.40 : 1,733,217.92 = 712,168.63 : x
  2. Step 2: Convert to fraction form
    1,255,984.40/1,733,217.92 = 712,168.63/x
  3. Step 3: Cross multiply
    1,255,984.40x = 1,733,217.92 × 712,168.63
  4. Step 4: Simplify right side
    1,255,984.40x = 1,234,343,426,354.59
  5. Step 5: Solve for x
    x = 1,234,343,426,354.59/1,255,984.40
  6. Step 6: Final answer
    x = 982,769.71

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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.