Home / 713,296.77-984,666.07-455,511.43

Finding the Fourth Proportional to 713,296.77, 984,666.07 and 455,511.43

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Solution

The fourth proportional to 713,296.77, 984,666.07 and 455,511.43 is: 628,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,296.77 : 984,666.07 = 455,511.43 : x
  2. Step 2: Convert to fraction form
    713,296.77/984,666.07 = 455,511.43/x
  3. Step 3: Cross multiply
    713,296.77x = 984,666.07 × 455,511.43
  4. Step 4: Simplify right side
    713,296.77x = 448,526,649,618.18
  5. Step 5: Solve for x
    x = 448,526,649,618.18/713,296.77
  6. Step 6: Final answer
    x = 628,807.91

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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.