Home / 716,951.20-1,076,204.40-402,023.20

Finding the Fourth Proportional to 716,951.20, 1,076,204.40 and 402,023.20

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Solution

The fourth proportional to 716,951.20, 1,076,204.40 and 402,023.20 is: 603,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,951.20 : 1,076,204.40 = 402,023.20 : x
  2. Step 2: Convert to fraction form
    716,951.20/1,076,204.40 = 402,023.20/x
  3. Step 3: Cross multiply
    716,951.20x = 1,076,204.40 × 402,023.20
  4. Step 4: Simplify right side
    716,951.20x = 432,659,136,742.08
  5. Step 5: Solve for x
    x = 432,659,136,742.08/716,951.20
  6. Step 6: Final answer
    x = 603,470.83

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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.