Home / 994,430.20-1,491,645.30-716,567.80

Finding the Fourth Proportional to 994,430.20, 1,491,645.30 and 716,567.80

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Solution

The fourth proportional to 994,430.20, 1,491,645.30 and 716,567.80 is: 1,074,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,430.20 : 1,491,645.30 = 716,567.80 : x
  2. Step 2: Convert to fraction form
    994,430.20/1,491,645.30 = 716,567.80/x
  3. Step 3: Cross multiply
    994,430.20x = 1,491,645.30 × 716,567.80
  4. Step 4: Simplify right side
    994,430.20x = 1,068,864,991,001.34
  5. Step 5: Solve for x
    x = 1,068,864,991,001.34/994,430.20
  6. Step 6: Final answer
    x = 1,074,851.70

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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.