Home / 650,508.11-898,040.95-405,566.84

Finding the Fourth Proportional to 650,508.11, 898,040.95 and 405,566.84

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Solution

The fourth proportional to 650,508.11, 898,040.95 and 405,566.84 is: 559,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,508.11 : 898,040.95 = 405,566.84 : x
  2. Step 2: Convert to fraction form
    650,508.11/898,040.95 = 405,566.84/x
  3. Step 3: Cross multiply
    650,508.11x = 898,040.95 × 405,566.84
  4. Step 4: Simplify right side
    650,508.11x = 364,215,631,513.28
  5. Step 5: Solve for x
    x = 364,215,631,513.28/650,508.11
  6. Step 6: Final answer
    x = 559,894.07

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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.