Home / 1,357,372.64-2,032,958.28-647,900.12

Finding the Fourth Proportional to 1,357,372.64, 2,032,958.28 and 647,900.12

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Solution

The fourth proportional to 1,357,372.64, 2,032,958.28 and 647,900.12 is: 970,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,372.64 : 2,032,958.28 = 647,900.12 : x
  2. Step 2: Convert to fraction form
    1,357,372.64/2,032,958.28 = 647,900.12/x
  3. Step 3: Cross multiply
    1,357,372.64x = 2,032,958.28 × 647,900.12
  4. Step 4: Simplify right side
    1,357,372.64x = 1,317,153,913,566.99
  5. Step 5: Solve for x
    x = 1,317,153,913,566.99/1,357,372.64
  6. Step 6: Final answer
    x = 970,370.17

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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.