Home / 932,181.60-1,399,309.20-512,277.60

Finding the Fourth Proportional to 932,181.60, 1,399,309.20 and 512,277.60

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Solution

The fourth proportional to 932,181.60, 1,399,309.20 and 512,277.60 is: 768,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,181.60 : 1,399,309.20 = 512,277.60 : x
  2. Step 2: Convert to fraction form
    932,181.60/1,399,309.20 = 512,277.60/x
  3. Step 3: Cross multiply
    932,181.60x = 1,399,309.20 × 512,277.60
  4. Step 4: Simplify right side
    932,181.60x = 716,834,758,633.92
  5. Step 5: Solve for x
    x = 716,834,758,633.92/932,181.60
  6. Step 6: Final answer
    x = 768,986.17

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1.5x scale

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.