Home / 1,630,298.38-2,249,707.69-905,145.92

Finding the Fourth Proportional to 1,630,298.38, 2,249,707.69 and 905,145.92

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Solution

The fourth proportional to 1,630,298.38, 2,249,707.69 and 905,145.92 is: 1,249,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,298.38 : 2,249,707.69 = 905,145.92 : x
  2. Step 2: Convert to fraction form
    1,630,298.38/2,249,707.69 = 905,145.92/x
  3. Step 3: Cross multiply
    1,630,298.38x = 2,249,707.69 × 905,145.92
  4. Step 4: Simplify right side
    1,630,298.38x = 2,036,313,736,796.12
  5. Step 5: Solve for x
    x = 2,036,313,736,796.12/1,630,298.38
  6. Step 6: Final answer
    x = 1,249,043.59

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1.5x scale

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.