Home / 926,813.13-1,279,021.55-524,405.13

Finding the Fourth Proportional to 926,813.13, 1,279,021.55 and 524,405.13

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Solution

The fourth proportional to 926,813.13, 1,279,021.55 and 524,405.13 is: 723,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,813.13 : 1,279,021.55 = 524,405.13 : x
  2. Step 2: Convert to fraction form
    926,813.13/1,279,021.55 = 524,405.13/x
  3. Step 3: Cross multiply
    926,813.13x = 1,279,021.55 × 524,405.13
  4. Step 4: Simplify right side
    926,813.13x = 670,725,462,200.55
  5. Step 5: Solve for x
    x = 670,725,462,200.55/926,813.13
  6. Step 6: Final answer
    x = 723,690.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.