Home / 987,730.60-1,482,287.10-633,605.80

Finding the Fourth Proportional to 987,730.60, 1,482,287.10 and 633,605.80

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Solution

The fourth proportional to 987,730.60, 1,482,287.10 and 633,605.80 is: 950,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,730.60 : 1,482,287.10 = 633,605.80 : x
  2. Step 2: Convert to fraction form
    987,730.60/1,482,287.10 = 633,605.80/x
  3. Step 3: Cross multiply
    987,730.60x = 1,482,287.10 × 633,605.80
  4. Step 4: Simplify right side
    987,730.60x = 939,185,703,825.18
  5. Step 5: Solve for x
    x = 939,185,703,825.18/987,730.60
  6. Step 6: Final answer
    x = 950,852.09

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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.