Home / 1,280,334.35-1,764,809.33-866,740.70

Finding the Fourth Proportional to 1,280,334.35, 1,764,809.33 and 866,740.70

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Solution

The fourth proportional to 1,280,334.35, 1,764,809.33 and 866,740.70 is: 1,194,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,334.35 : 1,764,809.33 = 866,740.70 : x
  2. Step 2: Convert to fraction form
    1,280,334.35/1,764,809.33 = 866,740.70/x
  3. Step 3: Cross multiply
    1,280,334.35x = 1,764,809.33 × 866,740.70
  4. Step 4: Simplify right side
    1,280,334.35x = 1,529,632,069,055.34
  5. Step 5: Solve for x
    x = 1,529,632,069,055.34/1,280,334.35
  6. Step 6: Final answer
    x = 1,194,712.98

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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.