Home / 1,341,168.81-1,850,861.54-768,319.70

Finding the Fourth Proportional to 1,341,168.81, 1,850,861.54 and 768,319.70

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Solution

The fourth proportional to 1,341,168.81, 1,850,861.54 and 768,319.70 is: 1,060,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,168.81 : 1,850,861.54 = 768,319.70 : x
  2. Step 2: Convert to fraction form
    1,341,168.81/1,850,861.54 = 768,319.70/x
  3. Step 3: Cross multiply
    1,341,168.81x = 1,850,861.54 × 768,319.70
  4. Step 4: Simplify right side
    1,341,168.81x = 1,422,053,374,862.92
  5. Step 5: Solve for x
    x = 1,422,053,374,862.92/1,341,168.81
  6. Step 6: Final answer
    x = 1,060,309.01

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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.