Home / 527,298.69-727,671.96-285,581.26

Finding the Fourth Proportional to 527,298.69, 727,671.96 and 285,581.26

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Solution

The fourth proportional to 527,298.69, 727,671.96 and 285,581.26 is: 394,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,298.69 : 727,671.96 = 285,581.26 : x
  2. Step 2: Convert to fraction form
    527,298.69/727,671.96 = 285,581.26/x
  3. Step 3: Cross multiply
    527,298.69x = 727,671.96 × 285,581.26
  4. Step 4: Simplify right side
    527,298.69x = 207,809,475,203.47
  5. Step 5: Solve for x
    x = 207,809,475,203.47/527,298.69
  6. Step 6: Final answer
    x = 394,102.01

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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.