Home / 797,428.22-1,100,477.52-434,871.95

Finding the Fourth Proportional to 797,428.22, 1,100,477.52 and 434,871.95

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Solution

The fourth proportional to 797,428.22, 1,100,477.52 and 434,871.95 is: 600,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,428.22 : 1,100,477.52 = 434,871.95 : x
  2. Step 2: Convert to fraction form
    797,428.22/1,100,477.52 = 434,871.95/x
  3. Step 3: Cross multiply
    797,428.22x = 1,100,477.52 × 434,871.95
  4. Step 4: Simplify right side
    797,428.22x = 478,566,799,551.18
  5. Step 5: Solve for x
    x = 478,566,799,551.18/797,428.22
  6. Step 6: Final answer
    x = 600,137.78

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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.