Home / 650,254.07-897,289.76-405,216.11

Finding the Fourth Proportional to 650,254.07, 897,289.76 and 405,216.11

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Solution

The fourth proportional to 650,254.07, 897,289.76 and 405,216.11 is: 559,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,254.07 : 897,289.76 = 405,216.11 : x
  2. Step 2: Convert to fraction form
    650,254.07/897,289.76 = 405,216.11/x
  3. Step 3: Cross multiply
    650,254.07x = 897,289.76 × 405,216.11
  4. Step 4: Simplify right side
    650,254.07x = 363,596,259,577.50
  5. Step 5: Solve for x
    x = 363,596,259,577.50/650,254.07
  6. Step 6: Final answer
    x = 559,160.30

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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.