Home / 1,276,669.68-1,915,441.92-435,811.92

Finding the Fourth Proportional to 1,276,669.68, 1,915,441.92 and 435,811.92

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Solution

The fourth proportional to 1,276,669.68, 1,915,441.92 and 435,811.92 is: 653,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,669.68 : 1,915,441.92 = 435,811.92 : x
  2. Step 2: Convert to fraction form
    1,276,669.68/1,915,441.92 = 435,811.92/x
  3. Step 3: Cross multiply
    1,276,669.68x = 1,915,441.92 × 435,811.92
  4. Step 4: Simplify right side
    1,276,669.68x = 834,772,420,803.69
  5. Step 5: Solve for x
    x = 834,772,420,803.69/1,276,669.68
  6. Step 6: Final answer
    x = 653,867.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.