Home / 830,194.64-1,245,274.68-563,287.76

Finding the Fourth Proportional to 830,194.64, 1,245,274.68 and 563,287.76

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Solution

The fourth proportional to 830,194.64, 1,245,274.68 and 563,287.76 is: 844,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,194.64 : 1,245,274.68 = 563,287.76 : x
  2. Step 2: Convert to fraction form
    830,194.64/1,245,274.68 = 563,287.76/x
  3. Step 3: Cross multiply
    830,194.64x = 1,245,274.68 × 563,287.76
  4. Step 4: Simplify right side
    830,194.64x = 701,447,985,081.92
  5. Step 5: Solve for x
    x = 701,447,985,081.92/830,194.64
  6. Step 6: Final answer
    x = 844,919.92

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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.