Home / 662,979.58-914,887.44-405,288.16

Finding the Fourth Proportional to 662,979.58, 914,887.44 and 405,288.16

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Solution

The fourth proportional to 662,979.58, 914,887.44 and 405,288.16 is: 559,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,979.58 : 914,887.44 = 405,288.16 : x
  2. Step 2: Convert to fraction form
    662,979.58/914,887.44 = 405,288.16/x
  3. Step 3: Cross multiply
    662,979.58x = 914,887.44 × 405,288.16
  4. Step 4: Simplify right side
    662,979.58x = 370,793,047,164.71
  5. Step 5: Solve for x
    x = 370,793,047,164.71/662,979.58
  6. Step 6: Final answer
    x = 559,282.76

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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.