Home / 708,695.80-1,063,043.70-626,027.20

Finding the Fourth Proportional to 708,695.80, 1,063,043.70 and 626,027.20

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Solution

The fourth proportional to 708,695.80, 1,063,043.70 and 626,027.20 is: 939,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,695.80 : 1,063,043.70 = 626,027.20 : x
  2. Step 2: Convert to fraction form
    708,695.80/1,063,043.70 = 626,027.20/x
  3. Step 3: Cross multiply
    708,695.80x = 1,063,043.70 × 626,027.20
  4. Step 4: Simplify right side
    708,695.80x = 665,494,270,988.64
  5. Step 5: Solve for x
    x = 665,494,270,988.64/708,695.80
  6. Step 6: Final answer
    x = 939,040.80

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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.