Home / 971,466.80-1,457,200.20-499,074.80

Finding the Fourth Proportional to 971,466.80, 1,457,200.20 and 499,074.80

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Solution

The fourth proportional to 971,466.80, 1,457,200.20 and 499,074.80 is: 748,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,466.80 : 1,457,200.20 = 499,074.80 : x
  2. Step 2: Convert to fraction form
    971,466.80/1,457,200.20 = 499,074.80/x
  3. Step 3: Cross multiply
    971,466.80x = 1,457,200.20 × 499,074.80
  4. Step 4: Simplify right side
    971,466.80x = 727,251,898,374.96
  5. Step 5: Solve for x
    x = 727,251,898,374.96/971,466.80
  6. Step 6: Final answer
    x = 748,612.20

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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.