Home / 694,328.31-1,039,810.59-480,497.04

Finding the Fourth Proportional to 694,328.31, 1,039,810.59 and 480,497.04

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Solution

The fourth proportional to 694,328.31, 1,039,810.59 and 480,497.04 is: 719,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,328.31 : 1,039,810.59 = 480,497.04 : x
  2. Step 2: Convert to fraction form
    694,328.31/1,039,810.59 = 480,497.04/x
  3. Step 3: Cross multiply
    694,328.31x = 1,039,810.59 × 480,497.04
  4. Step 4: Simplify right side
    694,328.31x = 499,625,910,655.65
  5. Step 5: Solve for x
    x = 499,625,910,655.65/694,328.31
  6. Step 6: Final answer
    x = 719,581.65

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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.