Home / 776,643.68-1,166,044.44-512,104.16

Finding the Fourth Proportional to 776,643.68, 1,166,044.44 and 512,104.16

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Solution

The fourth proportional to 776,643.68, 1,166,044.44 and 512,104.16 is: 768,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,643.68 : 1,166,044.44 = 512,104.16 : x
  2. Step 2: Convert to fraction form
    776,643.68/1,166,044.44 = 512,104.16/x
  3. Step 3: Cross multiply
    776,643.68x = 1,166,044.44 × 512,104.16
  4. Step 4: Simplify right side
    776,643.68x = 597,136,208,468.87
  5. Step 5: Solve for x
    x = 597,136,208,468.87/776,643.68
  6. Step 6: Final answer
    x = 768,867.66

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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.