Home / 1,370,073.31-2,055,566.37-459,345.89

Finding the Fourth Proportional to 1,370,073.31, 2,055,566.37 and 459,345.89

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Solution

The fourth proportional to 1,370,073.31, 2,055,566.37 and 459,345.89 is: 689,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,073.31 : 2,055,566.37 = 459,345.89 : x
  2. Step 2: Convert to fraction form
    1,370,073.31/2,055,566.37 = 459,345.89/x
  3. Step 3: Cross multiply
    1,370,073.31x = 2,055,566.37 × 459,345.89
  4. Step 4: Simplify right side
    1,370,073.31x = 944,215,961,384.99
  5. Step 5: Solve for x
    x = 944,215,961,384.99/1,370,073.31
  6. Step 6: Final answer
    x = 689,171.86

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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.