Home / 725,698.34-1,001,464.86-403,405.62

Finding the Fourth Proportional to 725,698.34, 1,001,464.86 and 403,405.62

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Solution

The fourth proportional to 725,698.34, 1,001,464.86 and 403,405.62 is: 556,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,698.34 : 1,001,464.86 = 403,405.62 : x
  2. Step 2: Convert to fraction form
    725,698.34/1,001,464.86 = 403,405.62/x
  3. Step 3: Cross multiply
    725,698.34x = 1,001,464.86 × 403,405.62
  4. Step 4: Simplify right side
    725,698.34x = 403,996,550,513.79
  5. Step 5: Solve for x
    x = 403,996,550,513.79/725,698.34
  6. Step 6: Final answer
    x = 556,700.39

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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.