Home / 782,968.64-1,173,613.36-512,994.80

Finding the Fourth Proportional to 782,968.64, 1,173,613.36 and 512,994.80

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Solution

The fourth proportional to 782,968.64, 1,173,613.36 and 512,994.80 is: 768,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,968.64 : 1,173,613.36 = 512,994.80 : x
  2. Step 2: Convert to fraction form
    782,968.64/1,173,613.36 = 512,994.80/x
  3. Step 3: Cross multiply
    782,968.64x = 1,173,613.36 × 512,994.80
  4. Step 4: Simplify right side
    782,968.64x = 602,057,550,890.53
  5. Step 5: Solve for x
    x = 602,057,550,890.53/782,968.64
  6. Step 6: Final answer
    x = 768,942.10

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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.