Home / 1,630,354.38-2,249,959.31-905,202.19

Finding the Fourth Proportional to 1,630,354.38, 2,249,959.31 and 905,202.19

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Solution

The fourth proportional to 1,630,354.38, 2,249,959.31 and 905,202.19 is: 1,249,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,354.38 : 2,249,959.31 = 905,202.19 : x
  2. Step 2: Convert to fraction form
    1,630,354.38/2,249,959.31 = 905,202.19/x
  3. Step 3: Cross multiply
    1,630,354.38x = 2,249,959.31 × 905,202.19
  4. Step 4: Simplify right side
    1,630,354.38x = 2,036,668,090,296.88
  5. Step 5: Solve for x
    x = 2,036,668,090,296.88/1,630,354.38
  6. Step 6: Final answer
    x = 1,249,218.04

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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.