Home / 1,630,188.59-2,249,732.88-905,046.21

Finding the Fourth Proportional to 1,630,188.59, 2,249,732.88 and 905,046.21

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Solution

The fourth proportional to 1,630,188.59, 2,249,732.88 and 905,046.21 is: 1,249,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,188.59 : 2,249,732.88 = 905,046.21 : x
  2. Step 2: Convert to fraction form
    1,630,188.59/2,249,732.88 = 905,046.21/x
  3. Step 3: Cross multiply
    1,630,188.59x = 2,249,732.88 × 905,046.21
  4. Step 4: Simplify right side
    1,630,188.59x = 2,036,112,216,556.38
  5. Step 5: Solve for x
    x = 2,036,112,216,556.38/1,630,188.59
  6. Step 6: Final answer
    x = 1,249,004.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.