Home / 1,142,424.59-1,711,952.28-636,288.39

Finding the Fourth Proportional to 1,142,424.59, 1,711,952.28 and 636,288.39

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Solution

The fourth proportional to 1,142,424.59, 1,711,952.28 and 636,288.39 is: 953,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,424.59 : 1,711,952.28 = 636,288.39 : x
  2. Step 2: Convert to fraction form
    1,142,424.59/1,711,952.28 = 636,288.39/x
  3. Step 3: Cross multiply
    1,142,424.59x = 1,711,952.28 × 636,288.39
  4. Step 4: Simplify right side
    1,142,424.59x = 1,089,295,359,998.03
  5. Step 5: Solve for x
    x = 1,089,295,359,998.03/1,142,424.59
  6. Step 6: Final answer
    x = 953,494.33

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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.