Home / 446,284.08-615,693.96-285,097.32

Finding the Fourth Proportional to 446,284.08, 615,693.96 and 285,097.32

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Solution

The fourth proportional to 446,284.08, 615,693.96 and 285,097.32 is: 393,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,284.08 : 615,693.96 = 285,097.32 : x
  2. Step 2: Convert to fraction form
    446,284.08/615,693.96 = 285,097.32/x
  3. Step 3: Cross multiply
    446,284.08x = 615,693.96 × 285,097.32
  4. Step 4: Simplify right side
    446,284.08x = 175,532,697,936.19
  5. Step 5: Solve for x
    x = 175,532,697,936.19/446,284.08
  6. Step 6: Final answer
    x = 393,320.55

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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.